A Beast Emerges

A giant, Named Roy, is with his little friend when suddenly he changes into a horrible spiked beast!!

( his transformation here ->[link])

You can rp if you like. Ill make it bellow.

You are walking with your giant friend, who you secretly have a crush on, when suddenly he lurches forward in pain. He groans and shouts as spikes grow from his back and head his body hunching and a tail comes from his back end ripping from his jeans. He is in horrible pain and agony as he changes. What do you do?

Your own choise, be creative.