160 Böklund Street, inside Dwayne Dantès's mansion.
After "Teleporting" back, Klein didn't delay at all. He immediately set up an altar and held a ritual to pray to Death.
"You are the essence of death;
"You are the lord of the dead;
"You are the final home to all living beings.
"I pray for your help. I pray that you will know how to resolve the problem of the Red Angel evil spirit. 'He' has possessed the body of a Gatekeeper and is cooperating with the Numinous Episcopate's High Priest, Haiter. He has come to Backlund and been made an assistant to Patrick Bryan…"
With regard to this matter, there was really no choice but to seek help from the Evernight Goddess.