I Have Nothing but Hardness

Li Qing traveled through the fantasy world and obtained the Vajra Indestructible System. You can become tougher by signing in or earning money every day, no, you can become stronger. Unknowingly, the indestructibility of Vajra was raised to the 100 million level. "If there must be a king in heaven and earth, why can't it be me, the toughest man in the world?" "Anyone is dissatisfied? Very good, welcome to come and scrape me!"