C324 Promise me three conditions

Yan Kai brought Luo Xue outside the Vampire Castle. At this time, there weren't any barrier installed in the castle, so it wasn't difficult for them to go in. But since Yan Kai brought Luo Xue along, he naturally had to be on full alert.

Instead, he had someone deliver a letter to the Vampire Castle and hand it over to Jiu Yu.

Inside the Vampiric Castle