159. Runes produce Energy and Power.

159.1. Energy is used to pay numeric Energy costs.

159.1.a. Energy has no Domain.
159.1.b. Energy has no type.

159.2. Power is used to pay Domain-associated Power Costs.

159.2.a. Power has a Domain.
159.2.a.1. Power 's Domain usually corresponds to the Domain of the Rune that produced it.
159.2.b. Some Power is Universal and can be used to pay for costs of any Domain.