Huge Monstrosity, Chaotic Evil
Armor Class 19 natural armor
Hit Points 300 (24d12 + 144)
Speed 40 ft., Walk 40 ft.
STR
24 (+7)
DEX
16 (+3)
CON
23 (+6)
INT
15 (+2)
WIS
22 (+6)
CHA
17 (+3)
Saving Throws STR +14, CON +13, INT +9, WIS +13, CHA +10
Damage Immunities Acid, Necrotic, Poison; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks
Senses Blindsight 60 ft, Darkvision 120 ft, Passive Perception 18
Languages Abyssal, Common, Infernal
Challenge 21 (33,000 XP)
Proficiency Bonus +7
Traits

Armor of spiders. if Arachne is reduced to 0 hit points she dose not die or fall unconscious. instead she regains 200 hit points. in addition, Arachne's children swarm around her to protect her, granting her 100 temporary hit points.

Actions

multiattack. Arachne makes three attacks : one with her bite and two with her claws.

Bite. melee weapon attack : +14 to hit, reach 5 ft., one creature. hit : 3d8 piercing damage, and the target must make a con saving throw of 17 or higher taking 5d12 poison damage one a failed save.

Claws. melee weapon attack : +14 to hit, reach 5 ft., one target. hit : 3d6 slashing damage.

Web of hair.  Arachne unleashes her hair in the form of webbing that fills a 30 foot cube next to her. the web is difficult terrain, its area is lightly obscured, and it lasts for 1 minute. any creature that moves into the web or that starts its turn there must make a dex saving throw of 17 or higher and on a failed save, the creature is restrained while in the web. a creature can use an action to make a str saving throw of 17 or higher on a success it can free itself or a creature within 5 feet.

Legendary Actions

Arachne can take 3 legendary actions, choosing from the options below.

Claws. Arachne makes to attacks with her claws.

Swarm. Arachne causes two swarms of spiders to appear in in unoccupied spaces within 5 feet of her.

Toxic web. each creature restrained by Arachne's web takes 4d8 poison damage.

 

 

Lair and Lair Actions

a cave deep underground.

Lair Actions

On initiative count 20 (losing initiative ties),  Arachne takes a lair action to cause one of the following effects; Arachne can’t use the same effect two rounds in a row:

  • Arachne can command her children to attack.
  • Arachne can sense any creature touching her webs within 200 feet of her.

Regional Effects

The region containing Arachne’s lair is covered in webs and spiders, which creates one or more of the following effects:

  • is full of spider webs.
  • animals stuck in giant webs.

If the Arachne dies, these effects fade over the course of 1d10 days.

Habitat: UnderdarkUrban

dragonfish850

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