hi, i want to suggest some spells.
Dark Link:
its animation is look like Link but don't hook enemy. when it is active it burn your enemy hp and yours per sec.
Double:
a spell that let you cast your last used spell again.
Rage:
when you use rage, it decrease all your spells cooldown.
Self Gravity:
it act like Gravity but on yourself and affect both enemy and friends in some AOE range.