Both have the power to come back after death so. What if Subaru had Tarnished skills and powers

There is a boy who has lost his parents in the life on industry, rigged from the attack of the White Fang. When the son was adopted by a family, it had gotten worse. He had been treated as a nobody for no apparent reason, and only used effectively as a person that feels pain. As it continues, he was shot in the heart to being disposed of, but he kills his adoptive father, and escaped through running and hiding from the Grimm. But when he dies near an abandoned Atlas Knight-135, everything has changed. Just how severe is the change?

Jin got isekai'd into the One Piece world with a model aircraft carrier-and immediately screwed up by accidentally killing King Wapol. But when his model ship devours the dead king's Munch-Munch Fruit, an abomination is born: A living Demon Carrier that hungers for the power of other Devil Fruits. It ate the Mushroom-Mushroom Fruit and became a self-sustaining factory... It ate the More-More Fruit, and its cannons obliterated a Buster Call with a single shot... It ate the Flare-Flare Fruit, and its deck became a sea of fire hot enough to melt islands... Marine Headquarters Alert: "Threat Level-UNKNOWN. Target is not a man, but a mobile, sovereign nation. Do not engage. Repeat: DO NOT ENGAGE!!"

The World had become similar to a Game. People unlocked mana and classes. But there was no coming back to life for players in this World... Except for our Main Character, Sora Hashino. Betrayed by his childhood friend, Sora Awakens a skill through Death : [Prestige] [Prestige : When activated, all levels and skills revert to zero, allowing for a fresh start. Become stronger and get twice the experience every skill activation.] Now that he died once, living simply isn't possible anymore. He will get his revenge.. What to expect: -Rapid growth -Frog in a well -Misleading author and twists -Daily releases -Fast paced story -Late and progressive World Building and MC alone in early chapters -Fake identities -Unique Job Choice -The MC makes mistakes?!