Luxian is a xenogender from the element system. It is a combination of the masculine element fervian (fire), and the xenine element alterian (spirit), and is represented by the element of light.
History
Luxian was first known to be coined on January 14th, 2018, along with the flag[1], but it was likely coined earlier than that on a Google spreadsheet[2].
Flag
The flag's colors are yellow and white, the colors of light, with a diamond in the center, representing two triangles together.
Etymology
The word luxian comes from the Latin word lux, meaning "light"[3].