City of Brass Trap
Instead of a spellbook, the explosive runes are inscribed on a brass door etched with pictures of efreet strolling the streets of a vast metropolis. A creature that makes an Arcana or History check identifies the city as the City of Brass. Opening the door without speaking the passphrase “City of Brass” triggers a Failure.
Glyph. An Arcana, Investigation, or Perception check reveals that the sun symbol is a glyph of warding .
Spell Effect. This is an evocation effect created by a 3rd-level spell. Casting dispel magic on the sun symbol triggers a Critical Success.
- A creature can make an Arcana or thieves’ tools check to disable the glyph.
Potential Outcomes
Critical Failure or Failure. The glyph explodes as the explosive runes version of a glyph of warding . Each creature within 20 feet of the glyph must make a Dexterity saving throw , taking 22 (5d8) fire damage on a failure or half damage on a success.
Success. The glyph is damaged. A second Success triggers a Critical Success.
Critical Success. The trap is disabled.