From Dungeons of Dredmor Wiki
This bolt invokes Unliving Wall on hit.
It's got a rock on the end like it just flew out of the early ages when humankind was but vermin in the shadows of elder civilizations built upon teeming plateaus in the distant south...
Worth 150 zorkmids. B:245 S:95 B:311 S:65 B:365 S:35