Giant Rat

Giant rats were much larger than the common rat, most growing to the size of a large dog. They were covered in coarse fur that was brown-black in color.
Variant: Diseased Giant Rats Some giant rats carry vile diseases that they spread with their bites. A diseased giant rat has a challenge rating of 1/8 (25 XP) and the following action instead of its normal bite attack.
Bite Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 3 (1d4 + 1) piercing damage. If the target is a creature, it must succeed on a DC 10 Constitution saving throw or contract a disease. Until the disease is cured, the target can't regain hit points except by magical means, and the target's hit point maximum decreases by 3 (1d6) every 24 hours. If the target's hit point maximum drops to 0 as a result of this disease, the target dies.

Giant Rat

Giant rats were much larger than the common rat, most growing to the size of a large dog. They were covered in coarse fur that was brown-black in color.

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Armor Class	12
Hit Points	2d6
Speed	30ft.
Strength	7 (-2)
Dexterity	15 (+2)
Constitution	11 (+0)
Intelligence	2 (-4)
Wisdom	10 (+0)
Charisma	4 (-3)
Senses	Darkvision 60ft.	Passive Perception 10
Languages	---
Challenge	1/8 (25 XP)
Special 1	Keen Smell	The rat has an advantage on	Wisdom (Perception) checks that rely on smell
Special 2	Pack Tactics	The rat has an advantage on an attack	roll against a creature if at least
one of the rat's allies is within 5 feet of	the creature and the ally isn't incapacitated
Action	Bite	Melee Weapon Attack	d20+4 to hit
Reach 5 ft. , one target	Hit 1d4+2 piercing damage