He had been accustomed to dodging Luciel's attack whenever he tried to wake him up, but it would be hard for others to dodge his attacks if they were unprepared.
Luciel would always instinctively attack places that could instantly kill his opponents or his opponents' weak points.
He doesn't know what Luciel had been doing in the past, but people with such instincts must have been in an environment where they would die if they lowered their guards for a bit.
They were also accustomed to being attacked by others, so they already had the habit of always targeting the opponents' weak spots or having them die on the spot.
"Wow, I didn't know you were actually doing such a task. I always thought you warned us not to disturb him because you just don't want others touching him. Oh, I can finally believe in brotherhood again!" Nathan said.