Engineer Lekon:
Of course, saying something doesn't make it so. We found an ancient record detailing attempts to tame the creatures, but we were unsuccessful. Finally, with help from a few Necromancers, the Wizards of the Ivory Tower and Dwarven technology, we were able to find an alternative approach.
It is an applied transformation spell in which the target's nerve tissues are altered without changing its overall nature.
Using it, you can assume the form and abilities of an Aurabird -- provided, of course, that you have certain magical items...
"What do I have to do?"