For the standard variant, see Chisel.
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Chisel (Dungeoneering) detail

The Chisel is an item used to carve stone inside Daemonheim. Following the release of the Dungeoneering tool belt, all players have one available on their tool belt by default. The item still exists in physical form, spawning inside puzzles that require a chisel; however, this chisel is redundant to the one on the tool belt.

Chisels may be found in certain puzzle rooms inside Daemonheim:

It is required in the Magical construct puzzle and can be obtained from either the statue weapon puzzle or found on the floor in front of the stones box.