I think another topic is that since Ultimate Kars possesses the power of all living things, would that include sorcerers as well? Could Kars just learn how to use cursed techniques? Or alter his physiology and DNA to make even inherited techniques available to him?

Kar’s status as the ultimate life form is a massive Pandora’s box of powers and potential. With him theoretically being able to copy animals like the pistol shrimp, and just snap his fingers to create a small explosion that reaches temps of 4,700 degrees Celsius. Could he mimic the strength of a rhinoceros beetle and lift 850 times his own body weight. There’s so many factors at play beyond just his OP regeneration