When he was awakened by the King, he was tasked to pick up the rogues that disobeyed their orders. More likely, only Luca disobeyed his orders as the others were tasked to protect him and aid him in combat. Even if Asmodeus found his little earl dancing around the mortal realm into his could-be death, the King didn't seem to be flustered. If anything, he was only disappointed.
Those eyes seemed familiar, and he had seen them before. Not on the indomitable King of demons… but on a friend that was so used to dejection. Knowing that he would be able to meet that friend, he didn't even think twice about climbing up to the mortal realm to drag an earl's ass back down to their territory.