Not sure if you guys know this but someone posted this in another thread on this forum.

If you tell your fairy to "obey" and then instantly use "heel" (makes her follow you) it sorta bugs her out to work how she should do. She'll cast embrace and whispering dawn normally (only embrace for selene) but won't use the rest of her abilities. Manually using her embrace also wont reset her to spam her abilities again (even though on your pet bar "guard" will be selected.) Try it out it's so much better being able to completely control your fairy. Oh and you only have to do this once time per instance and everytime you resummon her