Climate/Terrain: The Abyss
Frequency: Very Rare (Common in the Demonweb Pits)
Activity Cycle: Any
Intelligence: High (13-14)
Alignment: Chaotic Evil
Number Appearing: 1-4
Armor Class: 10, 4 as Spider
Movement: 12, Wb 6 as Spider
Hit Dice: 6+6
THAC0: 15 (13 as Humanoid, with Wepaon)
Number of Attacks: 8, 1 as Spider or Humanoid
Tentacles (x8): d4+4 (x8)
Bite: d8 + Poison as Spider
by Weapon +4 as Humanoid (18/512 Strength bonus)
Charm Person (per spell, Yochlol ability)
Darkness 15' Radius (per spell, Tanar'ri Ability)
Poison, as Spider: Anyone bitten must Save vs. Posion or die.
Web (per spell, Yochlol ability)
Gaseous Form (Yochlol ability): As Stinking Cloud (per spell) approximately 10' Tall and 5' in Diameter. Can only attack with Psionics in this form, but only be damaged by Magical Cold, Magical Fire or Magic Missiles. Gust of Wind will do 6d6 and Wind Walk will slay them in this form, instantly, with no Saving Throw.
Immune to non-magical Fire, Lightning and Poison
Stone Shape (per spell, Yochlol ability)Takes half damage from Magical Fire, Cold and Gas
+2 or better Weapons to hit, but takes full damage from Iron or Silver Weapons
Can take any of four forms: An amorphous mass, Drow-like Humanoid, a Giant Spider or a Gaseous form.
Infravision (per spell, Tanar'ri Ability)
Spider Climb (per spell, Yochlol ability)
Teleport Without Error (per spell, Tanar'ri Ability)
Telepathy/Tongues (Tanar'ri ability): Can communicate Telepathically with any intelligent life form regardless language barriers.
Takes full damage from Iron or Silver Weapons
Magic Resistance: 40%
Size: M (6' tall)
Morale: Champion (15-16)
XP Value: 11,000
Psionic Ability: Level: 6, Dis/Sci/Dev: 1/3/10, Attack/Defense: MT, II, EW/All, Score: 14, PSP's: 90; Psionic Powers: Telepathic - Sciences: Domination, Mindlink, Probe; Devotions: Attraction, Contact, ESP, Invisibility, Phobia Amplification, Psychic Impersonation
Notes: As applicable, Yochlol use all Spell like ability as if they were a 6th Level Mage and all are usable once per round unless otherwise noted. In humanoid form, they typically wear Armor along the like of Drow Elf Chain Mail (AC: 5). For Weapons, they tend to favor Short Swords, Hand Crossbows and Javelins.
Source: 2nd Edition AD&D 2613, Planescape Monstrous Compendium Appendix II, pages 112-113
Ed's Notes: Mental note: Rear up on how Psionics work before letting the PC's visit Lolth's Realm in the Demonweb Pits!