Many monsters have weapon res(x), meaning that only certain weapons can hit them. This is an as yet incomplete list of weapons that can hit a monster with weapon res(x). Note that a weapon can hit any creature with weapon res equal to or lower than its listed level.

At present this section is highly incomplete!
Anyone with further information - PLEASE email me.

Weapon Res(1)
Anything Iron, War Hammer, Cutlass, Lethe Dagger, Katana, Silver Cross, Thief Sword, ?

Weapon Res(2)
Anything Steel, Wicked Blade, Crystal Sword,

Weapon Res(3)
Anything Adamantite, Dwarven Hammer, ?

Weapon Res(4)
Anything Mythinite, ?