Feat: Patron's Truth
You have mastered the greatest secrets of your patron's magic and learned a fundamental truth about your patron, even if their identity still remains a mystery. You gain an additional 10th-rank spell slot.
Pathfinder 2e Database
You have mastered the greatest secrets of your patron's magic and learned a fundamental truth about your patron, even if their identity still remains a mystery. You gain an additional 10th-rank spell slot.