It won't get far, because Sans is ready - and unlike Iuliael, his first priority isn't isn't thinking about the demon's safety. His scythe is already pulled back, and as soon as Iuliael is clear, he's sent it spinning straight into the core of the hellion's body.

Just like the other angel suspected, Sans is killing the hell out of this demon. There is sort of an unfortunate whirling and slicing sound as his blade meets its mark. The demon goes down with a splatter of sizzling blood.

Sans lands and starts trying to detangle his wing. His wings are usually more like an ambient manifestation of light than physical objects, but demonic energies are capable of actually rending them, as is the case here. He flinches as he tries to get his figurative feathers out of the chain links.

"We should get out of here. If they were scouts, there's bound to be others."