Theme: The chamber floor is tiled with infernal glyphs, each representing a concept, entity, or domain.

Some glyphs are true sigils tied to the Nine Hells and their archdevils. Others are of other gods.

Puzzle: Step only on symbols tied to the Nine Hells.

DC 15 History or Religion

Trap: Glyph Detonation

Trigger: Stepping on a false symbol.

Effect: Glyph of Warding - 20-foot-radius Sphere centered on the glyph. Each creature in the area makes a Dexterity saving throw DC22. A creature takes 10d8 fire, force or thunder and is thrown backwards onto the last safe tile. Half on success

Lines

Zariel/Bleredd

Archduke Belial/Kord

Istus/Mephistopheles

Pelor/Bel

Hextor/Levistus

Mammon/Boccob

Berei/Dispater

Glasya/Procan

Asmodeus/Tharizdun