The Ice Shank is a Unique Sword from Diablo I that is found randomly. It gives a nice +40% Resist Fire and a bonus to Strength.
Stats

Ice Shank
Long Sword
- Damage: 2-10
- +40% Resist Fire
- +5 Strength
- Altered Durability
- Requirements: 30 Strength, 30 Dexterity
- Durability: 15
- Quality Level: 3
- Availability: Single Player and Multiplayer
Diablo I Unique Swords — Black Razor (Dagger) • Gonnagal's Dirk (Dagger) • Wizardspike (Dagger) • The Defender (Sabre) • Lightsabre (Sabre) • The Falcon's Talon (Scimitar) • The Executioner's Blade (Falchion) • Gryphon's Claw (Falchion) • Ice Shank (Long Sword) • Inferno (Long Sword) • Bonesaw (Claymore) • Griswold's Edge (Broad Sword) • Gibbous Moon (Broad Sword) • Shadowhawk (Broad Sword) • Doombringer (Bastard Sword) • The Grizzly (Two-Handed Sword) • The Grandfather (Great Sword)
Hellfire Unique Swords — Diamondedge (Long Sword) • Eater of Souls (Two-Handed Sword) • Shirotachi (Great Sword)