Greater glyph of warding

Greater glyph of warding is an abjuration spell that creates a glyph that causes damage when triggered.

Effect
This spell functions in the same manner as glyph of warding, except that the blast deals up to 10d8 damage, and the greater glyph can store a harmful spell of up to 6th level.

Material Component
Diamond dust worth at least 400 gp.