the ability of an imaginary person or creature to change itself into a different shape or form

In this world, shape-shifting isn't governed by the moon's cycles. 在这个世界里，变形是不受月亮周期变化影响的。

It would simply be a cat were it not for its powers of flight and shapeshifting. 它就是一只猫的样子，但是却会飞，还会变形。