srd
SRD
Abjuration
Level: Clr 6
This spell functions like glyph of warding, except that a greater blast glyph deals up to 10d8 points of damage, and a greater spell glyph can store a spell of 6th level or lower.
Material Component: You trace the glyph with incense, which must first be sprinkled with powdered diamond worth at least 400 gp.
Open Game Content from the System Reference Document 3.5, used under the Open Game License 1.0a.