Upon leveling up, you'll earn skill points as previously confirmed, which lets you purchase class specific skills as well as common ones that are shared between all classes. The skill system is highlighted by a tarot card design, some of which feature alternate skins for the game's cast. Whether these skins are confirming a sort of secret alternate costume we don't know yet.
Of course, DLC is also a possibility. At this point though, I just want this game.
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