HMS King Sailys was a 58-gun galleon of the Imperial Charisian Navy.

Named after King Sailys of Chisholm, the vessel was part of the force High Admiral Lock Island took to the Gulf of Tarot to intercept the Navy of God. During the ensuing battle, King Sailys fired one of the first explosive shell broadsides in the history of Safeholdian naval warfare, hitting the Church galleon NGS Holy Writ with twenty-four shells, of which two did not explode. The remaining ones, however, did, and Holy Writ was blown to pieces when her ammunition magazine was hit by one of them. (AMF)