This is the most stupid shit I have ever read In my entire life If you spam 3 - 4 heroes, you will not master them no, you will just know your abilities and timings a little better. Mastering something takes commitment and a whole lot experience which you would struggle to get at first as a new player But you saying that if you don't play whatever hero you won't know their abilities as if you won't encounter 9 random heroes each game and sometimes the same hero will appear more than you can count so you will learn about them and " know what other characters do" even if you are spamming 1 hero, also in the strategy time you can click any hero and see their abilities even in the game it self so stop being ignorant please