The bearer may drink from the Chalice at the start of any magic phase. Roll a D6: 1 - Turned to Chaos Spawn; 2-3 - Enemy receives 1 less magic card when they are dealt; 4-5 - The bearer receives 1 extra magic card when they are dealt; 6 - End magic phase if you wish.

Chaos Sorcerer or Beastman Shaman only.

Note that if the bearer is turned to Chaos Spawn he may no longer use the Chalice (see the rules for Chaos Spawn in Warhammer Armies - Chaos).