Can cast any level spells instantly with only verbal requirements as a cantrip (Level divided by 5, minimum 1, round down) times per long rest.
Resistant to cold.
Gain an extra spell every level, of any level.
Can combine spell slots to make bigger ones (lvl 1+lvl 1= lvl 2 --- lvl 2+lvl2 = lvl 3) as either an action or a bonus action, but only once per turn.
Languages. Common, Dragonic, Infernal