Thick-skinned
A thick-skinned monster is a monster that will only be dealt one damage when attacked by a bullwhip. Thick-skinned monsters have the flag M1_THICK_HIDE in the source code.
The following monsters are thick-skinned:
- Gargoyles and winged gargoyles
- All mimics
- Mumaks, titanotheres, baluchitheriums, and mastodons
- All dragons (including the Chromatic Dragon and Ixoth)
- Earth elementals
- All nagas
- Xorns
- Skeletons
- Wood, clay, stone, glass and iron golems
- Horned devils and barbed devils
- Sharks
- Crocodiles and salamanders