Please no, don't even think about it, they ruined spell research by opening up to all classes, now we don't get any spells that are researchable and haven't since Rain of Fear.
It's prime rib sitting at snout level on the coffee table and you been on the phone with your mother for over a decade... You really think your dog won't eat it if you say "please?"
The dog knows better, just a look and he knows not to, he learnt his lesson when he stole a slice of lemon....never seen an animal pull such a face.
As a note, do this only after you max them out... and they cost ZERO tribute to use this way. You can activate them at the same time and all skills will get the boost.
