Bloodthief is a unique Brandistock in Diablo II.
Its life leech and chance of Open Wounds are ideal for a physical fighter, but Bloodthief's low damage ultimately limits its effectiveness only to early in the game.
Stats

Bloodthief
Brandistock
Two-Hand Damage: (10-11) to (25-28)
Durability: 28 of 28
Required Dexterity: 50
Required Strength: 40
Required Level: 17
Spear Class - Normal Attack Speed
+50-70% Enhanced Damage
8-12% Life stolen per hit
+35% Chance of Open Wounds
+10 to Strength
+26 to Life
Normal Spears — The Dragon Chang (Spear) • Razortine (Trident) • Bloodthief (Brandistock) • Lance of Yaggai (Spetum) • The Tannr Gorerod (Pike)
Exceptional Spears — The Impaler (War Spear) • Kelpie Snare (Fuscina) • Soulfeast Tine (War Fork) • Hone Sundan (Yari) • Spire of Honor (Lance)
Elite Spears — Arioc's Needle (Hyperion Spear) • Viperfork (Mancatcher) • Steel Pillar (War Pike)