I Picked up a Watch and You Want Me to Protect the World?

(Armor, slow rhythm, relaxed, overhead,) "If you can't beat me, why don't you run away? You have to run to die?" "What's wrong with being selfish? Can't you think more about yourself?" Xia Xing finally couldn't help but yell at the woman in front of him. He just picked up a watch and somehow became a spirit key user. She was entangled by her fellow Spirit Key user, and together they fought against the dark descendants. (He doesn't want to)