Compounding Power questions
As I understand it, both phantasms and clones count as illusions, so any combination of 3 should = 9%.
As for it increasing dmg output of phantasms, I would speculate it would increase their damage too, but it seems very difficult to test or know for sure. If anyone has some hard evidence if it is just 9% to you, or 9% to you and your phantasms, I’d love to know!