While My Mage Wife Grinds, I Power Up Idly - Chapter 7: How Much for the Magic Potion?

An ineffable rebirth, taking advantage of a mystical magic cube that was produced from rebirthing to pass through various worlds(anime, novel, movie, games, etc), collecting whatever I want to obtain!

- Description from MTLNovel

Betrayed by his closest ally, Caleb Ellise was forced to settle for third place in the world’s most prestigious RTS gaming tournament, Lord of Empires.Disheartened but resigned, he accepts his prize, delivered via email. But just as Caleb thought his journey had ended, fate had other plans.BLAST!A sudden explosion leaves him critically injured. When he regains consciousness, Caleb finds himself not in a hospital bed—but in an entirely different world.[DING! Welcome to Izoya Continent, Earth #212][Welcome to the Grand Tournament: Season King Lord of Empires][Host has been designated as Lord of Kingdom #9845007]Caleb quickly realizes the impossible: he has been transported into the very game he spent years mastering. Now, the stakes are higher than ever.[Main Mission: Build your kingdom, dominate the economy, forge alliances, and conquer the world][Congratulations, Host! You’ve unlocked the Lord Talent: Vision Fog (Rank: S)]Fueled by his expertise, a newfound determination ignites within Caleb. No longer just a player, he is now a lord destined to rise.As he navigates treacherous alliances and strategic battles, Caleb vows to reclaim his crown—not as a gamer, but as the true King of Kings.The game isn’t over. It has only just begun.

After his village was destroyed by an E-Ranked demon horde, Augustus was titled the failed lord and mocked by other noble lords.Until, he died.Augustus regressed with the knowledge of the future and his SSS-Ranked skill “Talent Evolution,” fighting to change the D-Ranked village of Iona into an S-Ranked Empire.Need resources? His villager's 10x Resource Multiplier Talent was evolved into 100x! Enemies coming? His champion's Two-Hit Critical Attack was evolved into a One-Hit Critical Attack! Gods? He reared a couple in his courtyard.While other lords slept on their villagers’ talents, Augustus’s villagers transcended gods. While they mocked him for picking a dead village, he would transform it into an oasis.

In short, MC inadvertently created a world, but as the creator of the world, he did not know the world at all. He should have lived here like a fish in the sea with some plug-ins that MCs always have. But now he is even stumped by the bugs in the instant world. Luckily, in this world he has found his shadow guard, or his lover? So the daily adventure is getting not so boring…

- Description from Novelupdates