They are always a good help when hatching wyvern eggs they tell you when the elecritacil storms near so you can put them in your invintory and defend your base from enemys because all your turrents will be out
Basically if you want to tame this on Ark Mobile. I know that you can find this guys in Dungeons. Just kill it grab the implant, complete the dungeon us the revive pad. Use your Amber and revive it knock out it and tame it and Boom you have one of this guys.