"I can travel so long as I'm back here within a few days. The preservation spells can only last so long before they need to be refreshed--unless I have help, of course." Said as he directly looks at Solas. If he wanted the travel period to last longer, then Solas needed to help keep the corpse as undamaged as possible.

"Why do you ask?" Obviously the elf has a plan. Strange just isn't entirely sure what it is.