Dungeon of the Forgotten King is an RPG/Roguelite Turn-based game, where you assume the role of a prisoner, you'll have to eliminate dangerous enemies to get rewards and break out from the Dungeon on which you are imprisoned. You can offer earned gold to the Magic Altars to become more powerful, or spend it on new gear for your character, thus increasing your survival chances.

Of course, death is definitive, but according to your feats you will get special gems that will allow you to permanently improve every single one of your future characters.