¡Idea! Dont post

When Grian finds out that Mumbo is a vampire, he is shocked to say the least, but nonetheless be accepts his friend for who he is. When the Watchers attack Mumbo, Grian is quick to save him, but reveals that he too is a Watcher. What will Xisuma do when he finds out about this?

Grumbo included
Btw art cover is mine :)