This thing was actually tamable when Ark first launched. It was just a bug, though (pun not intended)

Use ascendant newspaper to knock it out quicker

In ARK MOBILE dungeons you will need shotguns, specifically blueprinted ones, rifles, launchers, two sets of armor or more, and TONS OF AMMO. Maybe cutlasses or blueprinted swords.

Use dodos the broodmither is new to the game and will try to tame them