Breathing Door (Elite)
Trap
Level 25 Elite Blaster
XP 14000

This doorway breathes a variation of the dragon’s own breath weapon.

Trap: This trapped doorway is triggered if a creature comes near, and then it breathes at regular intervals and when a creature tries to sneak past its frame.Perception     DC 37: The character notices the runes carefully inscribed around the doorframe.TriggerWhen a creature approaches to within 12 squares of the door, it makes its first attack as an immediate reaction. It then enters the initiative order directly after the creature that triggered it, attacking each round. In addition, it can make one extra attack each round as an immediate reaction, triggering when a creature enters a square adjacent to the door.AttackImmediate Reaction or Standard Action      Close blast 12
Target: Each creature in blastAttack: +30 vs. ReflexHit: 5d10 + 5 fire damage, and the target is blinded (save ends).Miss: Half damage, and the target is not blinded.Countermeasures     Creatures behind the rubble on the stairs have cover. A creature clinging to the opposite side of a statue has superior cover.
     Arcana DC 33: The trap is focused on a group of runes infused with arcane and elemental energy on the keystone of the doorway’s arch. A creature adjacent to the keystone can attempt to deactivate the trap with a successful check.

Published in Dungeon Magazine 160, page(s) 87, Draconomicon: Chromatic Dragons, page(s) 146.