Jorogumo

Jorogumo CR: 9

Medium to Large ,

Armor Class: 17

Hit Points: 120

Speed: 40 ft , climb: 40 ft

STR

17 +3

DEX

27 +8

CON

18 +4

INT

22 +6

WIS

16 +3

CHA

14 +2

Saving Throws: DEX +12, INT +10

Skills: Stealth +12, Perception +7

Damage Immunities: poison

Condition Immunities: poisoned

Senses: Perfect Darkvision

Challenge Rating: 9

Proficiency Bonus: +4

+12 to hit, 20 spell save DC
Spells are reflavored and changed to be web and poisons based

At will: Web, Poison Spit (Acid Arrow), Cocoon (Hold Person)

1/day: Regenerate, Webcage (forcecage), Eyebite

2/day: Spider Bite (Harm), Wall of Venomous Webs

3/day: Danse Macbre, Poisoned (blight), Spray Venom (Sickening Radiance)

Spider Climb - The Jorogumo is able to walk on any surface, even upside down ones. Furthermore, the Jorogumo is immune to rough terrain caused by sticky surfaces, including its own webs.
Spider Minions - As an action, the Jorogumo can summon up to 100 spider familiars that behave like creatures under the Find Familiar spell
Unseen predator - When attacking a target from stealth, or a target stuck in a web, the Jorogumo does so with advantage
Form shift - As a free action the Jorogumo can change between a human form and a large sized spider form with a lower spider half that has 8 legs. The Jorogumo must be in its spider form to grant it access to its special spider abilities

Actions

Multiattack - The Jorogumo casts one spell, one use of Create Webs, and one use of Web Threads
Create Webs - Create up to 10 5x5 squares of rough terrain webbing per long rest. This can be placed anywhere within a 15 foot radius around the Jorogumo
Web Threads - The Jorogumo can shoot out webbing with the properties of rope up to a range of 90 feet. The webbing can be detached from the Jorogumo and secured snuggly at any point it chooses. The Jorogumo can create these threads once per turn on its turn, and travel along one using its movement

Bonus Actions

Creature of Darkness - The Jorogumo can use its bonus action to ttake the hide action
Cocoon - The Jorogumo can use its bonus action to restrain a grappled creature

A spider woman yokai that uses stealth and deadly threads to trap and best her opponents in battle.

Suggested Environments

Areas with a lot of darkness and tights spaces where peopel can get lost and seperated