Yochlol

Traits

Demonic Restoration. If the yochlol dies outside the Abyss, its body dissolves, and it gains a new body instantly, reviving with all its Hit Points in the Abyss.

Magic Resistance. The yochlol has Advantage on saving throws against spells and other magical effects.

Spider Climb. The yochlol can climb difficult surfaces, including along ceilings, without needing to make an ability check.

Web Walker. The yochlol ignores movement restrictions caused by webs.

Actions

Multiattack. The yochlol makes two Caustic Lash attacks, and it can use Spellcasting to cast Web or Dominate Person if available.

Caustic Lash. Melee or Ranged Attack Roll: +8, reach 10 ft. or range 120 ft. Hit: 25 (6d6 + 4) Acid damage.

Bonus Actions

Shape-Shift. The yochlol shape-shifts into a Medium Humanoid or a Medium spider or back into its true form. Its game statistics are the same in each form. Any equipment it is wearing or carrying isn't transformed.

Reactions

Toxic Escape. Trigger: The yochlol is hit by an attack roll. Response: The yochlol halves the attack's damage to itself (round down), and it teleports to an unoccupied space it can see within 30 feet of itself. con 15, each creature within 5 feet of the yochlol's destination space. Failure: The target has the Poisoned condition until the end of its next turn. While Poisoned, it has the Incapacitated condition.