Mana

Core Rules v2 p. 44

Powerful Tiered spells require mana—a portion of the spellcaster’s life force—to fuel them. A spell’s mana cost is equal to its Tier. Heroes gain mana as they level up. Cantrips cost no mana.

Related Rules

3
Cast SpellCombat / Actions
Spell SchoolsMagic / Casting Spells
UpcastingMagic / Casting Spells