Perhaps he would. Raphael was strong, but he might actually need some help in dealing with the backup Noctis would possibly bring. They would be nothing more than fodder, but would be an unnecessary waste of time and energy for Raphael. 

He nodded and smiled at the Reaper girl.

"I'd be glad tp have your help," he said. He had business to attend to first. The Dark Realms. It held knowledge he might need...