balance is easy How to Perfectly Balance the Game and outside the scope of this discussion
it is VERY important and ‘good design’ imho that there is strict continuity between abilities. kinda like Pokémon, although I heard that went haywire as more games were added.
It’s like Sombra hacking Sig’s shield. Which is good.
Pharah and Junk are BIG problem but it never really bothered me. Nevertheless, can explosives hurt oneself? it should either be a yes or a no, not “sometimes”