Hydra Blade

 is a weapon in Total War: Warhammer II.

Description
The Hydra Blade was carved from a single fang of Akholrak, first and greatest of the War Hydras broken by Malekith.

Effects

 * Type: Augment
 * Duration: 38 Seconds
 * Target: Self
 * Cooldown: 120 Seconds
 * +50% Base weapon damage
 * +50% Armour-piercing weapon damage

Source
https://twwstats.com/abilities?q=hydra%20Bla&right=2049963969484436867