One enemy model, chosen by the Daemon player, is doomed to perish by Amon 'Chakai. All close combat and shooting attacks against this model will automatically hit. This lasts until the end of the battle, even if Amon 'Chakai is killed.
Source: Warhammer Armies Project: Unofficial 9th Edition (v2.2)
One enemy model, chosen by the Daemon player, is doomed to perish by Amon 'Chakai. All close combat and shooting attacks against this model will automatically hit. This lasts until the end of the battle, even if Amon 'Chakai is killed.