Btw this is actually a lowball as whenever you use dream worlds or not the multiverse is actually infinite, just see this as the lowest possible interpretation of it.
https://www.quora.com/profile/Fiction-Researcher/How-powerful-are-the-Pure-Hearts-The-Pure-Hearts-are-easily-the-most-powerful-artifact-force-in-the-Marioverse-yet-th?ch=15&oid=227058508&share=351dca6f&srid=38s1rc&target\_type=post https://www.quora.com/profile/Fiction-Researcher/How-powerful-are-the-Pure-Hearts-The-Pure-Hearts-are-easily-the-most-powerful-artifact-force-in-the-Marioverse-yet-th?ch=15&oid=227058508&share=351dca6f&srid=38s1rc&target\_type=post
This ranking is based on their composite forms btw
The strongest forms of the respective villains of Super Paper Mario, who really deserves to be crowned the strongest villain of the game ?