Macaque has been your training buddy..sort of. He lead you to a mountain where the giant smoke monster lived. And when you tried to defeat it like Macaque told you to, you felt all your powers draining from you

Macaque : So gullible....

You : You tricked me?

Macaque : Tricked you? Heh. No, I saved you.

Macaque chuckled and looked down at your weakened state