Players may attack a White Walker by entering its domain (you are the attacker), or if one is added to a domain where a player has at least 1 unit (you are the defender). Each White Walker’s strength is totalled by these 3 sources:

1. A base of .

2. A Secret card () drawn from the deck (a counts as a since they do not retreat).

3. Bonuses listed on the Strength Track on their mat that are not covered by Valyrian Steel tokens.

Note: They DO NOT gain strength from castles or The Iron Throne in their domain.

If you defeat a White Walker: the Treaty gains for winning the battle and returns the White Walker to its pool on the White Walker Mat.