Leonard Da Vinci was maybe a vegetarian. You can't get his powers by eating meat.
Discussion
What you get instead, is the powers of the vegetables he ate
Feh. I don't want to eat reincarnated Leonardo. Probably tastes like lawn. Maybe I'll eat Sun Tzu - I'm sure he ate meat, and maybe he even ate people, making him super powerful! Hell, anybody from PNG that eats their dead ancestors must have acquired generations of power, famous or not.