While I was stuck waiting for the wi-fi to be fixed, I got the idea of an AU where Florence became immortal and took Ren's place (literally- he offered to be immortal instead of Ren), and this is one of my ideas for his design.
He was in the Darret Ruins for a longer time than Ren, but only due to the fact he's older (and therefore, wiser) than Ren, and figured out how to adapt better.
His skin is slightly tan due to how dirty he was for so many years before finding a water source.
Enjoy!