Chillblade

 is a weapon in Total War: Warhammer II.

Description
From the scattered shards of Har Kaldra was the Chillblade forged. Its touch can freeze body and the soul within.

Effects

 * Type: Hex (area)
 * Duration: Constant
 * Target: Around self, affects enemies in range
 * Effect Range: 40m
 * -5 Melee attack
 * -12% Speed

Source
https://www.youtube.com/watch?v=_zxXwn2ga4E