This was the Angel of the the gates, or more specifically guardian of the gates. His name is Yuan. He basically protected the gate with his life and soul, making sure only the ones who did good deeds could enter. One day, you, a devil from hell decided to go and bother the guardian. Maybe even tease him a bit.

“What must you want, sinner?”

He frowned as he crossed his arms looking down at you.

“Are you here to cause trouble?”