Isaac had only purchased two types of enhancement rituals for Harmon. In theory, there was no limit to the number of rituals a Magic Pet could undergo at each stage—as long as you had the money, you could add as many as you liked.
However, these rituals were subject to diminishing returns; the more you used, the less effective they became.
While using every available ritual wouldn't render them completely ineffective, the cost-to-benefit ratio was extremely low. The subsequent improvements would be practically negligible.
Isaac didn't act immediately. Instead, he first carefully studied the two rituals. 'He had a theory.'
