I can upgrade the shelter - Chapter 77: Homemade Oxygen Generator

Shion, the ‘Hero of Darkness’. He was said to be the strongest hero ever. He believed one thing, and that was his current party members.

“I’ll defeat the Demon Lord with this party!”

That is what he swore to do, but a tragedy occurs. He was painfully betrayed by the girls that he trusted.

He barely held onto his life, but the incident left a deep scar in his heart.

He gave up on living, and while he was wandering around in a forest, looking for a way to die, a single monster appeared in front of him.

“Will you kill me, please?”

The monster asked Shion, who was still strong, despite losing his powers.

What Shion, who wanted to die as well, did was―

It’s not always the Asians who get isekaied. Very rarely does an American get chosen, though the lords of isekai have reasons for that. It’s time for John to remind them of those reasons.This story started as a gag. It is no longer a gag.

Through a mysterious portal, Chen Jin arrived at this strange place – a post-apocalyptic world where civilization had been destroyed.

Consequently, he found –

A piece of metal scrap
A robot trash collector
A battleground
A city
A ton and more of gold
A copy of high-tech documents
A…
In short, Chen Jin found a planet.

- Description from Novelupdates

Betrayed. Murdered. Forgotten. Orion Vale, the strongest warrior and rightful heir, fell under his own beloved's blade—Shia, now the Empress of Eldora. Yet, fate has not finished with him. Reborn with memories of his previous life, he will crave a new path, rising through cultivation, swordsmanship, and magic. But as he seeks revenge, whispers of a larger conspiracy emerge. Was his death betrayal… or the cruel design of destiny? In a world where power is reign, Orion will create his own destiny.-------------Give a try first twenty chapter then judge my work.