Originally Posted by Baraz
In the recent gamplay video (#2), you see Lae’zel feel the tadpol getting stronger and her getting a bit dizzy after using it about five times.

https://www.youtube.com/watch?v=XSc17QXxfyU&feature=youtu.be&t=4998

Who knew that allowing a literal brain-eating parasite access to one's brain would have such unfortunate side effects.

Evil always finds a way.