The blacksmith Anvil created weapons alone in a ruined world. He came across a community, a hero universe, where there are heroes of every dimension. All the heroes wanted his weapons, All the monsters hated him, All the world blessed his existence however nobody prevented his death. Decades later, a dimensional invasion started on earth. Kang Shin-hyuk, a boy who can’t use mana inherited Anvil’s VIP ID.
This is literally the exact same novel as Everyone Else is a Returnee, except that the MC of this novel didn't get 1000 years to prepare for the monster outbreak; instead he got reincarnated in the future. This one has a harem, and an MC who is also a blacksmith. If you haven't read EER I suggest you read that instead, but this novel is still a decent read.
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