Bat Colony (CR 2)
Bats often congregate in large colonies in underground areas. Though bats are mostly harmless and bat colonies generally have little interest in adventurers or humans in general, if they are disturbed, they can prove dangerous to inexperienced adventurers. Any Small or larger creature moving within 30 feet of a bat colony must succeed at a DC 15
Stealth check each round or use wild empathy or a similar ability to keep the bats calm, or else there is a 50% chance the bat colony becomes disturbed. Additionally, each round the bat colony is exposed to normal or brighter light conditions or loud sudden noises, there is a 30% chance the bat colony becomes disturbed.
If the bat colony is disturbed, the bats begin to fly about, shrieking and milling in an oversized swarm. When disturbed, the colony takes up a 20-foot-radius area. A creature that ends its turn in the area takes 1d6 points of damage, and is affected by the distraction and wounding special abilities of a
Bat Swarm. The colony remains disturbed for 1d4+1 rounds (or until the swarm is dispersed by damage), after which the bats either return to their previous position or flee the area, depending on whether they feel a threat is still present.
Blood Moon (CR 3)
Two situations give rise to the infamous occurrences known as blood moons: astronomical alignments that result in a calendar month having a second full moon, and atmospheric phenomena when pollution and toxins hang heavy in the air, distorting the rising moon and giving it a blood-red cast and a seemingly larger size. Both types of occurrences are considered bad omens, and are revered as unholy events by worshipers of deities of filth and decay. While the light of a blood moon shines, the DC to resist negative channeled energy increases by 2, and creatures exposed to its light take a –2 penalty on
Saving Throws against diseases, curses, corruptions, and madnesses. Certain foul occult rituals related to such magic must be performed on blood moons. Blood moons caused by astronomical alignments last as long as the moon is risen, while blood moons that result from atmospheric distortions last 1d4 hours, fading as the moon rises higher in the night sky and casts off its ruddy sheen.
Bottomless Pit (CR 9)
A bottomless pit is a yawning chasm that appears to be a perfectly natural fissure in the earth, other than the fact that it appears too deep to see the bottom. In actuality, bottomless pits are entrances to extraplanar spaces filled with nothing but endless empty void. A creature that falls into such a pit (whether it is pushed, runs afoul of a trap that conceals the bottomless pit, willingly dives into it, or enters the pit in some other fashion) falls endlessly in inky
Darkness at a rate of 500 feet per round. Other than its depth, the extraplanar space’s dimensions match those of the pit’s entrance, and the
Falling creature can attempt to catch itself on the wall, using the
Climb skill (DC = 20 + the wall’s
Climb DC, as normal for catching yourself when
Falling), and can attempt to climb out of the pit from there. The wall’s
Climb DC typically matches the type of terrain the opening was in, so a rocky chasm has a
Climb DC of 15, for example. The creature can attempt to catch itself once per round. Because the creature falls endlessly, it can rest and even prepare spells while
Falling (although it must be careful not to drop any possessions, since it will likely fall at a different speed than the possessions do, causing it to lose them forever). If a campaign uses the sanity system, for each hour a creature falls in the bottomless pit, it must succeed at a DC 20
Will Save or take 1d4 points of sanity damage.
Captivating Reflection (CR 3)
Some narcissistic people need little encouragement to stop and admire their visage in the surface of the water, but occasionally this behavior comes from the bizarre supernatural influence of the water itself. A creature that sees its reflection in the surface of this captivating water must succeed at a DC 15 Will saving throw or become
Fascinated by the reflection for 1 minute, after which it can attempt a new saving throw to end the effect and look away. A creature that fails the second saving throw is
Fascinated for another minute, kneeling by the surface of the water and staring at its reflection, its nose nearly touching the surface. At the end of this time, the creature can attempt a third saving throw to end the effect. If the creature fails this third and final saving throw, it is compelled to plunge its head under the water, at which point the fascination suddenly ends, but the creature is
Paralyzed for 1 minute, unable to hold its breath because of
Paralysis and therefore immediately forced to attempt
Constitution checks to avoid
Drowning.
The creature’s allies can pull its head from the water, but meet with surprising resistance, and must succeed at a DC 20
Strength check to do so, regardless of the
Paralyzed creature’s own
Strength score. If the creature avoids
Drowning by the end of the third minute, it can thereafter act normally, and is immune to the effects of this particular captivating reflection hazard for 24 hours.
Corpsefruit Tree (CR 5)
This gnarled, twisted tree grows only from ground containing the corpse of an intelligent creature (a creature with an
Intelligence score of 3 or higher), providing an insidious tether that binds that creature’s spirit to the world of the living and twists it toward malevolent spite. The tree is shrouded by a veil of illusion, which causes intelligent creatures that see the tree to believe it bears a heavy bounty of ripe, succulent fruits, and such creatures are compelled to eat the tree’s fruit unless they succeed at a DC 15
Will Save. In fact, the tree’s fruits are brown, shriveled, and rotten, and any creature that succeeds at the
Will Save can plainly see this.
Creatures that consume the fruit also consume a tiny portion of the spirit of the creature whose corpse nourished the tree, forging a spiritual connection between the deceased and the unfortunate victim. The next time the creature rests, it is affected as though by the
Nightmare spell (DC 17). The tree is treated as having a body part of the creature’s, and the tree uses the appropriate modifier based on the knowledge the spirit that nourished the tree has of the creature—typically none. The victim continues to be affected by
Nightmare for 3 days, or until it succeeds at a saving throw to resist the spell. Further, if the spirit of the creature whose corpse nourished the tree has become an
Incorporeal Undead of any kind, the creature that consumed the fruit takes a –2 penalty on
Saving Throws to resist the spells and spell-like abilities of that undead creature.
Exploding Window (CR 1)
Whether from supernatural influence or simply from more mundane physical forces, windows can sometimes explode in a rain of glass shards. When this occurs, for each 5-foot square containing an exploding window, the shattered glass blasts out in a 15- foot cone that deals 1d6 points of slashing damage to each creature in the area (Reflex DC 12 negates). A creature caught in more than one of these cones (either from multiple simultaneous exploding windows or one large exploding window) takes a cumulative –1 penalty on its saving throw for each cone beyond the first, but attempts only a single saving throw and takes only 1d6 points of damage if it fails, regardless of the number of cones whose areas overlap on the creature’s space. Additionally, the glass shards remain on the ground, functioning as
Caltrops until they are cleared away.
Field of Bone (CR 6)
This supernatural hazard usually plagues those who trespass on old battlefields still littered with the bones of soldiers who have never been laid to proper rest. These 30-foot-radius patches of strewn bones are considered
Difficult Terrain, and they spring to a foul mockery of life 1 round after a living creature enters the area, causing 1d6 skeletons to animate and attack, as if subject to an
Animate Dead spell. A field of bone can animate up to 24 skeletons in this manner from any single instance of trespassing (regardless of how many living creatures trespass into the area at once), at a rate of 1d6 skeletons per round. The skeletons continue to animate until all are destroyed, all living creatures leave the area, or the field of bone reaches its animation limit, whichever of these conditions comes first.
Gnarled Tree (CR 5)
Some trees become poisoned and malignant, tainted by the corrupt land around them, and spring to a macabre semblance of animation to attack those who trespass on their dark realms. Gnarled trees animate in the presence of living creatures, and attack indiscriminately for as long as creatures are within range. The victims’ spilled blood seeping into the ground further feeds the trees’ corruption. Gnarled trees appear as twisted, or even dead, trees of great age and a variety of species, and they blend in with the surrounding forests. Spotting one as an anomalous growth requires a successful DC 17
Perception check (the DC may be higher, depending on the prevalence and condition of local trees). Though a gnarled tree is stationary and can’t move from its rooted spot, it attacks as if it were a
Treant. The gnarled tree doesn’t gain the
Treant’s animation and rock-throwing abilities, but does have the
Treant’s
Vulnerability to Fire. When all living creatures move more than 30 feet away from the gnarled tree, it immediately returns to its normal, nonanimated state, until a potential target appears within range once more and provokes the corrupted tree’s ire again.
Grasping Graves (CR 4)
Treading on the burial sites of the unquiet dead can be treacherous, as the buried dead seek to drag the living down into their restless graves. These patches of shallow graves are often found near sites of mass burials, such as those that follow plagues or famines, and are typically 60 feet across. Once a creature enters the area, rotting, grasping hands rip from the earth, turning the entire patch into
Difficult Terrain and targeting each creature inside with a
Grapple Combat Maneuver Check each round at the end of that creature’s turn. The hands don’t provoke attacks of opportunity, and have a
CMB of +12 (with a
Base Attack Bonus of +8 and a +4 bonus due to their
Strength). This check is attempted each round for every creature in the hazardous area.
If the hands successfully
Grapple a creature, that creature takes 1d6+4 points of bludgeoning damage, gains the
Grappled condition, and is unable to move without breaking the
Grapple first. The grasping claws receive a +5 bonus on
Grapple checks against creatures they are already grappling, but can’t move or pin foes. Each round the grasping claws succeed at a
Grapple check, they deal 1d6+4 additional points of damage. The skeletal hands have a
CMD of 22,
Hardness 5, and 5 hit points each. The hands take full damage from channeled positive energy (no save). However, destroying a particular set of hands doesn’t harm the overall hazard, which generates new skeletal hands to grasp all creatures freed in this way on the following round. The only way to evade the hazard is to move out of the affected area, after which the unquiet spirits that animate the grasping graves become dormant once again.
Grasping Undergrowth (CR 2)
In many forests, undergrowth is thick and tangled enough that it seems to be attempting to hinder travelers, but in some places, whether due to a malevolent spirit or the ire of nature itself, it actually is. Whenever a creature moves through an area of grasping undergrowth, the grasping undergrowth attempts a
Trip Combat Maneuver Check (with a
CMB of +5) against that creature. Tripped creatures fall
Prone in the first square of grasping undergrowth that they entered that round, and lose the rest of their movement. Creatures that move through the grasping undergrowth at half their speed (after factoring in any reduced movement speed for being in a forest) gain a +4 bonus to their
CMD against
Trip combat maneuver checks from the grasping undergrowth, and creatures that move through the grasping undergrowth at a quarter of their speed gain a +8 bonus.
If a creature begins its turn
Prone in a square of grasping undergrowth, the grasping undergrowth attempts a
Grapple Combat Maneuver Check against it, dealing 1d6 points of damage on a successful check and preventing the creature from moving from the spot until it breaks free of the
Grapple. The undergrowth can’t move or pin the
Grappled creature on subsequent rounds, and has a
CMD of 17. For their own cryptic reasons, some patches of grasping undergrowth grant safe passage to characters of certain alignments or races.
Insidious Domicile (CR 4)
The dwellings of some powerful evil creatures impose pervasive effects on those who disturb the restless hate that dwells within. These areas are typically single structures—a castle, a tower, or a home—infested with spite and malice. Creatures that enter the structure must succeed at a DC 16
Will Save or be infected with overwhelming hate toward another creature, as if under the effects of
Malicious Spite. For each day spent within the domicile, the target takes 2 points of
Wisdom damage if it doesn’t act to subtly and indirectly slander, abuse, blame, extort, or cause mortal violence against the target of its spite. The
Malicious Spite effect ends if the creature leaves the location, but resumes if the creature returns. Affected creatures get a saving throw every 24 hours to negate the effect. If the effect ends, the target remembers the spiteful behavior, but not the motivation for it.
If a campaign uses the sanity system, the target takes 1d6 points of sanity damage instead of taking
Wisdom damage.
Misleading Echoes (CR 2)
Some places create supernatural echoes that seem to come from random directions, or even all directions at once. An area suffused with misleading echoes imposes a –4 penalty on hearing-based
Perception checks, and a listener must succeed at a DC 15
Wisdom check whenever she detects a noise, or else she believes the noise came from a random direction instead of its actual direction. Further, the misleading echoes can replicate the effects of
Ghost Sound (DC 11) once per minute. Any creature that fails a
Wisdom check or
Will Save to resist the effects of the misleading echoes takes a –2 penalty on
Saving Throws to resist
Fear effects for as long as it remains in the area of the misleading echoes, and for 1 minute thereafter.
Misleading Path (CR 3)
When the surrounding trees begin to move and change the paths when creatures aren’t looking, and the towering branches above even block out the sun, it can be difficult indeed to stay on track. In other environments, shifting dunes or underground tunnels can have the same effect. The DC for
Survival checks to avoid becoming lost within an area of misleading paths increases by 2d6. Characters that become lost either travel in random directions, as normal, or are led by a strange
Intelligence toward a specific location, at the GM’s discretion. Because travelers appear to be on a path as they travel, the DC of the
Survival check to identify that they are lost increases to 25.
Pervasive Gloom (CR 4)
Some locations ooze dread and foreboding, whether from old evils left to stagnate or the presence of some lingering psychic residue from years of torture or oppression. The locations can be single rooms, entire structures, old cemeteries, or even decaying forest groves. Trespassing creatures find the gloom nibbles away at their mental defenses, and take a –2 penalty on saves against
Fear effects, effects with the emotion descriptor, the effects of haunts, the progression of corruptions, madnesses, and sanity damage.
Plague of Flies (CR 2)
Often harbingers of famine and decay, these swarms of flies spread disease and pestilence wherever their buzzing wings carry them. These insects typically form a cloud 20 feet across, made of tens of thousands of flies. This cloud moves at up to 10 feet per round, and obscures all sight (including
Darkvision) beyond 5 feet. Creatures 5 feet away have
Concealment (20% miss chance), and creatures farther away have total
Concealment (50% miss chance, and the attacker can’t use sight to locate the target). Moderate or stronger winds can temporarily disperse the cloud, as per
Obscuring Mist, but the flies reform 1d4+1 rounds later to continue their pursuit of carrion. Spells such as
Fireball,
Flame Strike, and
Wall Of Fire, as well as similar area spells, destroy the cloud of flies if they deal at least 10 points of damage. Creatures that spend at least 1 round in the cloud must succeed at a DC 13
Fortitude Save or contract the shakes. Some plagues of flies carry other virulent diseases instead, which might affect the CR of the hazard if the DC is significantly higher or lower.
Rain of Gore (CR 3)
This unusual and unsettling phenomenon results in the corpses of small
Animals (ranging from Diminutive to Small) falling from the sky in a localized area. A rain of gore generally covers a 500-foot-radius area, and lasts for 2d4 × 10 minutes. During this time, each round that a character remains in the open, it takes 2d6 points of bludgeoning damage unless it succeeds at a DC 13
Reflex Save. In the wake of a rain of gore, scores of animal corpses are left strewn about in the area. Sometimes, a rain of gore will deposit animal corpses that are infected with filth fever or another
Disease, in which case each time characters take damage from the rain of gore, they risk infection. This version of the hazard has a CR of 4 or higher.
Sanguinary Cloud (CR 6)
Often found floating over campsites of unfortunate travelers drained of all bodily fluids, these blood-red fog banks can be mistaken for colossal vampiric mists. A sanguinary cloud typically settles over a 60-foot-radius area, obscuring all sight beyond 5 feet, including
Darkvision, granting
Concealment (20% miss chance) to all creatures 5 feet away or farther. Creatures caught within a bank of this deadly fog must succeed at a DC 18
Fortitude Save each round or take 1d3 points of
Constitution damage as their bodily fluids are forcibly extracted from their pores and mucous membranes and drawn into the crimson mist. A severe or greater wind disperses a sanguinary cloud, leaving behind a thin sheen of bloody bile.
Sour Ground (CR varies)
These corrupted holy sites usually feature long-toppled standing stones and spiraling rock paths carefully arranged by a forgotten culture to invoke powerful divine magic. On these grounds, divine casters restored life to those who died before their time and buried those whose time indeed was up. However, time, overuse, and trespassers caused the ground’s life-giving properties to sour, corrupting the corpses of those whose loved ones are foolhardy enough to lay them to rest within the necropolis’s boundaries. Any mostly intact corpse of a creature buried within these ancient cemeteries animates 24 hours later as a juju zombie and seeks its revenge on those who condemned its corpse to this vile existence. These terrible creatures still retain a semblance of their former personalities and are often barely distinguishable from the living with the exception of cold flesh, slightly sunken features, distracted behavior, and an increasingly foul smell. They lure in mourning loved ones with comforting embraces before engaging in a murderous rampage, perhaps burying the resulting corpses in the same sour ground to increase their numbers and extract more revenge on the living. The CR and the XP reward of sour ground are based on the number of juju zombies that arise.
Suicide Copse (CR 4)
Certain forests are known for attracting unusual numbers of suicides. The exact cause can vary, and may be the result of mind-altering pollen, strange psychic phenomena, or the work of mournful or malevolent spirits. Whatever the cause, suicide copses don’t so much attract suicidal creatures as inspire suicide in those nearby. Each hour a creature spends within the suicide copse, it must succeed at a DC 16
Will Save or be affected by the spell
Terrible Remorse (CL 10). A creature that succeeds at this saving throw three consecutive times is immune to this effect for 24 hours. At the GM’s discretion, some creatures affected by the suicide copse might be compelled to hang themselves, drown themselves, or kill themselves by other means, rather than being affected by
Terrible Remorse, but such compulsions still last only 1 minute. Though called a copse, this effect can potentially cover entire forests spanning hundreds of square miles.
Watchful Doll (CR 1)
These porcelain dolls resemble young children, and stare forward with blank, glassy expressions on their stylized yet eerily lifelike faces. Whenever a creature moves within 30 feet of a watchful doll, the doll’s head rotates to face the creature, and emits a childlike laugh that echoes as if across a great distance, and can be clearly heard up to 60 feet away. Creatures within 30 feet that hear the laughter must succeed at a
Will Save (DC 13) or be
Shaken for 1 minute. Creatures with 4 or fewer
Hit Dice that fail their saves are instead
Frightened. Once triggered, the doll doesn’t laugh again for 1 minute, but its head continues to move so its gaze follows the creature that triggered it. The
Fear from the laughter is a mind-affecting
Fear effect.
Well of Evil (CR 5)
These places are accursed morasses of depravity, nexuses of lingering hate and festering evil that bode ill for the pure-hearted who trespass upon them. A well of evil is typically a single room, cave, or structure, though it can expand to fill an area with a radius of up to 2d4 × 10 feet. Good-aligned creatures can feel the powerful evil presence tainting a well of evil, and such creatures that approach within 30 feet must succeed at a DC 15
Will Save or become
Sickened and refuse to enter the location for 1 hour. A successful
Will Save negates these unfortunate effects, but if the creature actually enters the location, it becomes
Sickened with no save. Within a well of evil, the DC to resist negative channeled energy increases by 2, and good-aligned creatures take a –2 penalty on
Saving Throws against curses, corruptions, madnesses, spells with the evil descriptor, and the effects of haunts. Haunts that lurk within wells of evil also gain a +4 bonus on their
Initiative checks and to
Perception check DCs to notice them.
Witch Light (CR 1)
Often confused with will-o’- wisps, these shimmering lights also tend to lead unwary passersby to their dooms. Witch lights appear as flickering lights resembling lantern or torch flames, but can be seen only with a successful DC 10
Perception check. A result of 30 or higher on the
Perception check allows the viewer to identify the witch light as a mirage. The witch light seems to move with the viewer, retreating if the creature moves toward it and following if it moves away. Some witch lights have a mind of their own, or are controlled by malevolent entities, and lead viewers toward specific places—often pits or other hazards, but sometimes treasures or long-buried secrets. Creatures actively following a witch light take a –4 penalty on
Perception checks and a –4 penalty on Reflex saves to resist the effects of traps and hazards.
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