I would be happy with this extra:

- restore 10% of your mp
- reset your stance during 10s (so we could change in middle of fight if we wished and then lock the one you selected)
- reduce enmity (if LA wont get that enmity like whm anytime soon)
- keeping both stun and extend timers of course

With this this would be a good lvl 60, because as is now is one of worse spells between 51-60.