At the beginning of each round of close combat, all enemy models in base contact with the Daemon must roll a D6, on a 4+ they suffer 1 Wound which Ignores Armour Saves.
Source: Warhammer Armies Project: Unofficial 9th Edition
At the beginning of each round of close combat, all enemy models in base contact with the Daemon must roll a D6, on a 4+ they suffer 1 Wound which Ignores Armour Saves.