Igneous, being a type of magma born rock.
Other names of potential use is, Iggy, Igne, and probably hothead while running away quickly.
Coming up with more characters for my slatepaw plot thing of doom. This character, she is intended to be a foil to Jareko, and to be one of Shale's combat superiors. Magus mostly being used as the catch all "I am melee and use close range magics by majority" term, which Shale is far more of a "Oh please don't see me" Rogue/Spell thiefy character.
Oh and she will stab you with fire, and is terribly condescending.