Windhammer is a unique Ogre Maul.
Windhammer's virtues lie in its high damage, increased attack speed, and large chance of Crushing Blow. The Twister it may cast is high level; unfortunately, Twister as a skill does little damage and little stunning, and is not very useful even at very high levels.
Stats
Windhammer
Ogre Maul
Two-Hand Damage: (215-254) To (296-349)
Required Level: 68
Required Strength: 225
Durability: 60
Mace Class – Slow Attack Speed
+180-230% Enhanced Damage
50% Chance of Crushing Blow
+60% Increased Attack Speed
33% Chance To Cast Level 22 Twister On Striking
+50% Damage to Undead
(Only Spawns In Patch 1.10 or later)
Normal Maces — • Felloak (Club) • Stoutnail (Spiked Club) • Crushflange (Mace) • Bloodrise (Morning Star) • The General's Tan Do Li Ga (Flail) • Ironstone (War Hammer) • Bonesnap (Maul) • Steeldriver (Great Maul)
Exceptional Maces — Dark Clan Crusher (Cudgel) • Fleshrender (Barbed Club) • Sureshrill Frost (Flanged Mace) • Moonfall (Jagged Star) • Baezil's Vortex (Knout) • Earthshaker (Battle Hammer) • Bloodtree Stump (War Club) • The Gavel of Pain (Martel de Fer)
Elite Maces — Nord's Tenderizer (Truncheon) • Demon Limb (Tyrant Club) • Baranar's Star (Devil Star) • Horizon's Tornado (Scourge) • Stormlash (Scourge) • Stone Crusher (Legendary Mallet) • Schaefer's Hammer (Legendary Mallet) • Windhammer (Ogre Maul) • Earth Shifter (Thunder Maul) • The Cranium Basher (Thunder Maul)
Quest Items — Horadric Malus • Khalim's Flail • Khalim's Will • Hell Forge Hammer