Orphan primarily lived her life according to the following important truth: It doesn't actually matter what type your magic is, most things will break if you hit them with 99999 damage.
She mainly used what a book would call 'fire', 'force', and 'dark'. They were simple.
...it looks like somebody whapped Opalyn with a 'ghost' attack, which of course goes right through a 'force' shield.