Hello. I can buy ANY other hero but Mal’ganis. It says my hero needs to be level 15. I have one level 15 hero in my roster and my account is 500+ something. Am I doing something wrong?
It sounds like you own Mal’ganis already. When you get a hero that you already possess to level 15 you can buy the Mastery Ring for them (it shows a nice golden ring around the hero ingame, on top of the normal ring that indicates the hitbox) for 5000 gold.