"Arrggh, thar seems to be somethin' missin', matey..." This scroll is still a stub. You can help us by expanding it.
Skull Keep is a location in Sea of Thieves. If vistited while the skull's eyes are glowing green a flurry of skeletons will be waiting you. If you can make your way through all of them then you'll be handsomely rewarded for you efforts.