Rustweaver is a Unique Doom Guard who is found on Dungeon Level 13 in the original Diablo.
Stats
Resistances: None
Immunities: Fire, Lightning
Life: 400
Damage: 1-60
Variants — Black Knight • Doom Guard • Steel Lord • Blood Knight
Uniques — Lionskull the Bent • Rustweaver • Graywar the Slayer • Warlord of Blood • Steelskull the Hunter • Lachdanan • Sir Gorash