“In the Mechanical ascension realm, you obtained a Nature’s Wrath bomb. It’s an Epic-grade bomb capable of injuring Legendary beasts. And that was just an early-stage weapon from the Stellar Moon Republic. They developed far more terrifying tech later.0

“As the successor to the Stellar Moon Republic, the Stellar Moon Federation inherited some of those assets. If they have access to some absurd black-tech weapons, it’s entirely possible he used them to clear the realm.0

“As for why he waited until reaching Epic-Legendary, maybe those weapons have stringent usage conditions, like Nature’s Wrath’s indiscriminate attacks risking self-harm.0

“Alternatively, the federation might have very few of these Legendary-killing weapons, maybe just one or two. The Mechanical Leader likely made a tough call to trade national treasures for Mythical secret realm rewards. He might’ve even needed approval to use them.0

“Whether the secret...0