best stats for pyromancer dark souls. . Stronger spells sometimes take more than a single attunement slot to equip. It says it scales with intelligence. If I'm using a pyro glove I usually like to aim for 16att, which gives me 4 slots iirc? Anyway, that lets me use great combustion, great. But it doesn't. You're probably referring to the number of slots they take up. The pyromancy flame lies to you in game. it is upgraded with souls by one of the 2.