Xia Fan found some long straight crystals and made Sarah a stretcher from them. This was no normal stretcher, as the base had some grooves cut into it. They were where Sarah's flying daggers could be slotted in like thrusters in a warship, allowing the stretcher to propel itself and fly in the air.
As long as the stretcher could float, then what happened next would be simple. Using a rope connected to the front of the stretcher, Sarah would just focus on keeping herself afloat while Xia fan would race along with Sarah in tow. It looked like he was flying a kite, and though it was a simple construction, it was rather effective. Though Xia Fan was still unable to go at full speed, they were at least able to move at a speed several times higher than Xia Fan was moving while carrying Sarah.
"This works. Lie down and be careful. Tell me if you can't endure it any longer," Xia Fan said with a smile to Sarah after testing it a few times.