ARK Genesis Part 2 is here! View The New Creatures »

Primal crystal only lasts 45 mins UNLESS you put it in a crystal wyvern's inventory. Your crystal wyvern can eat the crystals though, so put a stack of meat in it's inventory first. It will prioritize the meat. Primal crystal will last over 5 hours this way

More Crystal Wyvern Taming & KO Tips