A frost giant scout swings a powerful blow at you, denting an ancient Ranger Lord Stetson.

These are the ones on the tundra near Graghok. Stetson is wood. Dent helpfile says:

DENT

syntax: dent

The metal armor so commonly worn by the inhabitants of Thera makes for
an inviting target for the mace wielder. Well-placed strikes will
severely weaken and possibly even destroy an opponent's armor.