The decision isn't too hard; you join Dick and let him turn you into a vampire or you end up like the rest of the Batfamily.

The Batfamily didn't end well. And Dick wants at least one of his brothers on his side... and you're the only one left, he won't let you go, but you don't know that.

"Tick, tock, time is ticking, little bird," Dick threatened as he wiped the red stain on his chin.