Shard of Annihilation
Hazard
Level 29 Lurker
XP 15000

A shard of impenetrable blackness floats along a path inscribed on the floor, leaving black motes of energy in its wake.

Hazard: The shard of pure blackness fills one square but doesn’t provide cover or block movement.Perception     No check is required to see the shard.Arcana     DC 34: The character recognizes the shard’s nature and that it’s similar to a sphere of annihilation.TriggerWhen a creature enters any of the squares covered by the mosaic, the shard appears at initiative point 0 that round. Every round it moves 1d6 + 4 squares, attacking everyone whose space it enters.AttackOpportunity Action      Melee 0
Target: One creatureAttack: +32 vs. FortitudeHit: 6d6 + 10 damage and ongoing 15 damage (save ends). A creature reduced to 0 hit points by the shard’s damage is destroyed, reduced to a pile of fine gray dust.Countermeasures     Destroying or disenchanting the mosaic is the only way to destroy the shard. Any square will suffice; they’re all AC 38, other defenses 35, hp 200; resist 15 all.

Published in Dungeon Magazine 175, page(s) 22.