"Sherlock!" He gasped as the dam broke and the memories came flooding back. The memories and the power.

John sobbed as it felt like he was being ripped open. The power, whatever it was, settling into him. Reaching to Sherlock, wanting to twine together. To become one. To bring this mortal to the realm of the Gods. John Watson eternally belonged to Sherlock. To Hades. He was the God's Persephone.