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Swarm of Eye Spiders

Medium swarm of Tiny constructs, unaligned

Armor Class 13
Hit Points 45 (10d8)
Speed 20 ft., climb 20 ft.

13 (+1) 13 (+1) 10 (+0) 1 (-5) 9 (-1) 3 (-4)

Damage Resistances bludgeoning, piercing, and slashing
Damage Immunities lightning, poison; bludgeoning, piercing, and slashing from nonmagical attacks not made with adamantine
Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned, prone, restrained, stunned
Senses darkvision 60 ft., passive Perception 9
Languages understands the language of its creator but can’t speak
Challenge 3 (700 XP)

Special Traits

  • Distraction. Any living creature that begins its turn with the swarm in its space must succeed on a DC 14 Constitution save or be frightened for 1 round.
  • Swarm. The swarm can occupy one or more other creatures’ spaces and vice versa, and the swarm can move through an opening large enough for a Tiny eye spider. The swarm can’t regain hit points or gain temporary hit points.


  • Slam. Melee Weapon Attack: +4 to hit, reach 0 ft., one creature in the swarm’s space. Hit: 5 (1d8 + 1) bludgeoning damage or 3 (1d8 – 1) bludgeoning damage if the swarm has half of its hit points or fewer.

Bonus Actions

  • Mind Ruin. The swarm flashes and pulsates. Any creature caught within its space when it does so has its mind suddenly filled with thousands of tangled visual images composed of text, passages, and secrets that the eyes of the swarm have seen over the centuries. The creature must succeed on a DC 14 Wisdom saving throw or be confused, as if by a confusion spell. If the target fails three consecutive saving throws, the condition is permanent until cured by a greater restoration or other magic.
Section 15: Copyright Notice

City of Brass ©2018 Frog God Games; Authors: Casey Christofferson and Scott Greene