The vampire ninja

Kai comes clean that he is a vampire, and the other ninja are nervous about him Unlike stereotypes, Kai doesn't sleep in a coffin, turn into a bat, isn't harmed by the sun or garlic, holy water can't hurt him, and crosses do nothing. His only weakness is that he can die by getting a stake through his heart His sister...

The Ninjago Games

(A crossover of The Hunger Games and Ninjago) [Book One of The Ninjago Games] After Zane's death, the government has gone corrupt. The ninja have been invited to The Ninjago Games, run by Ninjago's new insane leader, President Chen.