Sphere of Annihilation
Hazard
Level 29 Lurker
XP 15000
A strange sphere of impenetrable blackness hovers before you.
Hazard: A sphere of pure blackness fills one square or, alternatively, is set into the wall of one square. It doesn't provide cover or block movement.Perception✦ No check is required to see the sphere.Arcana✦ DC 34: The character recognizes the sphere's nature.TriggerWhen a creature enters the sphere's square or the sphere enters a creature's square, the sphere attacks.Special A character holding a special talisman attuned to the sphere can control it. With a move action and a DC 25 Arcana check, he can move the sphere up to 6 squares. The sphere hovers in the air. A special ritual is required to create and attune the talisman, which is a level 29 magic item.AttackOpportunity Action Melee 0Target: One creatureAttack: +32 vs. FortitudeHit: 6d6 + 10 damage and ongoing 15 damage (save ends). A creature reduced to 0 hit points by the sphere's damage is destroyed, reduced to a pile of fine gray dust.Countermeasures✦ Destroying or disenchanting the talisman is the only way to destroy the sphere. The talisman has AC 38, other defenses 35, hp 200; resist 15 all.
Published in Dungeon Master's Guide, page(s) 93.