Breeding is now out for these. Also the best way to get eggs is a Managarmr and mushroom brews. Just bounce around down there from nest to nest. Make sure to leave render distance to reset the egg spawn and also to lose the aggro on the drakes losing their mind after you steal the egg
The Rock Drake is a gliding creature that has the ability to cloak itself and its rider. Using a Rock Drake's excellent climbing skills, survivors can traverse across steep cliffs. The Rock Drake can only be found in a particular cavern and is relatively tough to tame.
Translations: Klippe Drage, Dragón de Roca, Kividrake, Dragon Rocheux, Drago di Roccia, ロックドレイク, 락 드레이크, Rots Draak, Dragão da Rocha, Скальный Дрейк, Kaya Ejderi, 岩龙.