Mana is a resource used to activate both dungeon artifact powers as well as household vassal powers.
Determining Max ManaEdit
The formula below is used to determine how much Mana a character has access to.
2 + HD + Constitution Modifier
Mana can be used to activate the powers of dungeon artifacts of which you are part of the household or the holder of.
Both of which consume 1 mana per round in which they are active.
Activating both a personal artifact power and a household power can be achieved by consuming 2 mana per round.