|You unlock secrets of harvesting Supernal power from the casting of a spell. When you cast a spell of this arcanum, resolve this Condition after the spell is successfully cast. Gain a number of points of Mana equal to the successes generated in the spellcasting test, to a maximum of your Gnosis.|
Possible Sources: Exceptional Success on a spellcasting test; apply this Condition to the same Arcanum as the spell that generated it.
Resolution: Use the benefit above.