Satan swayed, another dose of Sloth's influence making his eyes heavy. And honestly, sometimes he just felt so bored with constantly having to torture compliance into his subordinates. Letting Sloth go would probably save him the effort of cleaning the blood off the table, too-
He was more prepared for it, this time. He wrapped his hand around Sloth's neck, fingernails turning to claws and Hellfire burning at the tips.
"Not quite strong enough. And I'm doing it to you to show you your place."