My Weapon Spirit Summons 100,000 Heroes

Waking amidst the carnage of a war-torn city, surrounded by brutal invaders and cowardly survivors, a transmigrator finds himself powerless and adrift. But then, a mysterious system binds him to the legendary Jade Slip Nine Songs, a weapon spirit capable of turning words into devastating power. His ultimate mission: to summon the spirits of ancient heroes by sacrificing his own lifespan. As he carves a bloody path through the enemy, unleashing spectral armies and thunderous chants, he realizes his newfound ruthlessness might be the only way to save a nation that doesn't always deserve saving.