Not (Just) A Mage Lord Isekai - Chapter 20 - Inertia

Violence, Rogue, two names that had long since faded away from the limelight. In a new game, The Strange World, they appear once again. The two former legends, once more rise to glory.

- Description from Novelupdates

Reborn in a world where martial arts reign supreme, Li Qian becomes a menial disciple of the Divine Sword Sect, assigned as the bell ringer.When ringing the bell, the sacrificial weapon system accidentally awakens, binding his life to the bell as his life-bound sacrificial weapon. As long as he rings the bell, he can enhance the sacrificial weapon.Moreover, the sacrificial weapon has one crucial characteristic.As long as the bell remains unbroken, the host is immortal.From then on, a path of eternal martial arts unfolds before Li Qian....Many years later, when the Divine Sword Sect faces a crisis of extermination, countless disciples kneel before the bell platform.“We beseech the ancestor to take action.”

Lu Zhiguang is not a cannon fodder himself, but his mission is to save the miserable cannon fodder.