It Seems the Production Skill Acquired in Another World is the Strongest. Manhua

Title: The Legendary Production Skill in Another World Genre: Action, Adventure, Comedy, Fantasy, Harem, Isekai, Monster Girl Amidst the chaos and uncertainty of Teyvat, Kou Kousaka stood tall, his eyes ablaze with determination. With his newfound Production Skill, he crafted weapons of unparalleled beauty and power, each imbued with a touch of his soul. As he honed his abilities, Kou's companions marveled at his creativity and resilience, drawing strength from his unwavering spirit. But the road ahead was fraught with danger, as malevolent forces conspired to seize control of Teyvat's ancient relics. Dark whispers echoed through the air, hinting at a sinister plot that threatened to plunge the world into eternal darkness. Kou knew that he alone held the key to stopping this cataclysmic event, and he refused to back down from the challenge. As he delved deeper into the mysteries of Teyvat, Kou uncovered long-buried secrets that shed light on his own connection to this mystical realm. Memories of a past life resurfaced, intertwining with his current reality in ways he could not have imagined. With each revelation, Kou's resolve hardened, driving him to push beyond his limits and embrace the destiny that awaited him. The final battle loomed on the horizon, a clash of titanic proportions that would test the bonds of friendship and the strength of Kou's heart. Surrounded by his loyal companions, each ready to lay down their lives for the greater good, Kou steeled himself for the ultimate showdown. The fate of Teyvat hung in the balance, a fragile thread that only he could protect. As the first rays of dawn broke over the horizon, Kou raised his weapon high, a beacon of hope in the darkness. The time had come to confront his greatest challenge yet, to vanquish the shadows that threatened to consume everything he held dear. With a fierce battle cry, Kou charged into the fray, his Production Skill blazing like a supernova in the night sky. The legend of Kou Kousaka, the wielder of the legendary Production Skill, would echo through the ages, a tale of courage, sacrifice, and the enduring power of the human spirit. And as the dust settled and Teyvat basked in a new dawn, Kou knew that his journey was far from over.