Portents of Verminous Doom

 is a enchanted item in Total War: Warhammer II.

Description
Portents of doom most often take the form of back banners festooned with skulls, clan symbols and hated runes.

Effects

 * Type: Hex (area)
 * Duration: Constant
 * Target: Around self, effects enemies in range
 * Effect Range: 40m
 * -4 Leadership

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