Spider of Leng

Large aberration, chaotic evil

Armor Class 15 (natural armor)
Hit Points 144 (17d10 + 51)
Speed 30 ft., climb 20 ft.

STR	DEX	CON	INT	WIS	CHA
14 (+2)	16 (+3)	16 (+3)	17 (+3)	10 (+0)	10 (+0)

Saving Throws Dexterity +6, Constitution +6, Intelligence +6
Skills Athletics +5, Perception +3, Stealth +6
Damage Resistances poison
Condition Immunities charmed, poisoned, unconscious
Senses darkvision 240 ft., passive Perception 13
Languages Common, Void Speech
Challenge 7 (2,900 XP)

Special Traits

• • Eldritch Understanding. A spider of Leng can read and use any scroll.
  • Innate Spellcasting. The spider of Leng’s innate spellcasting ability is Intelligence (spell save DC 14, +6 to hit with spell attacks). It can innately cast the following spells, requiring no material components:
    • At will: comprehend languages, detect magic, shocking grasp
    • 3/day each: shield, silence
    • 1/day each: arcane eye, confusion, hypnotic pattern, stoneskin
  • Poisonous Blood. An attacker who hits a spider of Leng with a melee attack from within 5 feet must make a successful DC 15 Dexterity saving throw or take 7 (2d6) poison damage and be poisoned until the start of its next turn.
    • Shocking Riposte. When a spider of Leng casts shield, it can also make a shocking grasp attack for 9 (2d8) lightning damage against one enemy within 5 feet as part of the same reaction.

Actions

• • • Multiattack. The spider of Leng makes two claw attacks, two staff attacks, or one of each.
    • Claw. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 14 (2d10 + 3) slashing damage plus 4 (1d8) poison damage.
    • Spit Venom. Ranged Weapon Attack: +6 to hit, range 60 ft., one target. Hit: 16 (3d8 + 3) poison damage, and the target must make a successful DC 14 Constitution saving throw or be poisoned and blinded until the end of its next turn.
    • Staff of Leng. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 9 (2d6 + 2) bludgeoning damage plus 13 (2d12) psychic damage, and the target must make a successful DC 15 Wisdom saving throw or be stunned until the start of the spider’s next turn.