One use only. Multiple Grey Seers and Warlock Engineers may purchase as many Warpstone Tokens as are allowed within the limit of points they are able to spend on magic items. Warpstone Tokens do not count against the total Arcane Items a model is allowed to bear. A Grey Seer or Warlock Engineer may choose to eat some warpstone to boost its powers. Before casting a spell announce which model is eating Warpstone Tokens. For each token consumed, a Wizard may add a single dice to his casting effect. These dice are added to the normal power dice. A spell may be cast entirely with warpstone. For any of the warpstone generated dice that rolls a one the Wizard suffers a wound with no armour saves allowed. The results of Miscast or Irresistible Force apply as normal.