The phrase "lord of bones" evokes a sense of power and authority over death and mortality. Synonyms for this title may include "king of bones," "ruler of the skeletal realm," or "master of the bony kingdom." Other possibilities could be "emperor of skeletons," "monarch of the ossuary," or "sovereign of the skeletal domain." These phrases all convey a similar sense of dominance over death and the physical remains of the deceased. Using such titles can add an air of mystery and gravity to fictional works or descriptions of supernatural beings.