Change #682167bb1a12f405a59c5237:

This spell may be cast to either create an artifact, or upgrade an existing one. Increase the progress per session of the quest by 1. This spell cannot be used to upgrade Legendary artifacts or create Mythic artifacts. This spell may not be cast on a quest that already has this cast on it. → This spell may be cast on a progress quest that is being used to create or upgrade an artifact. If successful, an additional progress quest slot is created. This additional slot passively earns an amount of progress per session, chosen when the spell is cast, up to a maximum of +3 progress per session. This spell cannot be used to upgrade Legendary artifacts or create Mythic artifacts. The cost of the spell is increased by 2, and the upkeep of the spell is increased by 1 for every progress the slot earns per session past the first. Only one additional progress quest slot may exist from this spell at a time.