10% chance when hit to absorb the whole blow. This effect has a 30 turn cooldown.
Bonus for a Dwarf:
+7% all resistance
+18 Mental save
+5 Con, +5 Str, +5 Wil
This strange device appears to be entirely mechanical in nature, but you cannot understand how any of the components are supposed to work. There does appear to be some sort of metallic grid in its side which sometimes emits strange noises.