Glyph of Warding
Level 7 Warder
XP 300

A hidden glyph around the door suddenly glows and explodes as you try to open it.

Trap: A magical glyph wards a portal, ready to explode with arcane fury when the trap is triggered.Perception     DC 28: The character notices the glyph.Arcana     DC 24: The character spots the glyph and provides a +2 bonus to Thievery checks made to disable it.TriggerWhen a creature tries to open the guarded portal or pass through it, the glyph explodes.AttackImmediate Reaction      Close burst 3
Targers All creatures in burstAttack: +10 vs. ReflexHit: The glyph is designed with one of the following effects:     4d6 + 4 fire damage and ongoing 5 fire damage (save ends)     4d6 + 4 cold damage and immobilize (save ends)     4d6 + 4 thunder damage and dazed (save ends)     4d6 + 4 lightning damage and dazed (save ends)     4d6 + 4 acid damage and ongoing 5 acid damage (save ends)     4d6 + 4 necrotic damage and –2 attack penalty (save ends)     4d6 + 4 radiant damage and blinded (save ends)Countermeasures     Thievery DC 28: An adjacent character can disable the glyph with a successful check.

Published in Dungeon Master's Guide, page(s) 90, Dragon Magazine Annual, page(s) 14, Dungeon Magazine 155, page(s) 52.