With Mangekyo, I Escaped Konoha To Other Worlds [Naruto/AttackOnTitan] - Chapter 13 - 12 The Slaughter At The Warehouse

“Only by enduring 2¹⁴ trials can one awaken the ancient power sleeping within the Key of the Star Prison, and become the most powerful being in the universe.”Timothy, the youngest Demon Lord in the history of his race, saw these words emerge after he touched the Key of the Star Prison, the most powerful artifact of the demon race, handed to him just before the old Demon Lord's death.According to the demon race's records, no Demon Lord had ever achieved this.However, over a span of a hundred thousand years, Timothy had easily passed 16,383 trials.Now, once again, he turned the Key of the Star Prison, and an unknown force mistakenly sent him to a brand new world, transforming him into an unknown and seemingly worthless demonic cultivator disciple.And the formidable opponent he was about to face in this world was the powerful Goddess Sylvia.When Goddess Sylvia received the challenge Timothy handed her, her cheeks flushed...“My dear Sylvia, I want you to know how deeply I love you. My heart belongs to you, now and forever.”

One of the four greatest braggarts in the web novel circle, Zhang Xuan, has entered the 【Source World】, a higher dimensional plane even above the Empyrean. With the complete version of the Library of Heaven’s Path that encompasses the capacities of the 【Heavens’ Imperfections】, 【Heavens’ Order】, and 【Heavens’ Nature】, he embarks on an adventure — showcasing his might — across the world! Searching for Fate, Resigning Oneself to Fate, Knowing One’s Fate, Commanding Fate... While all of you are still cultivating your fate, seeking fate, or borrowing fate, I, Zhang Xuan, already possess the ’Eternal Fate of the Heavens’!

Youth, is meant to be used to shed sweat under the sun!

Youth, is to continuously engage in battles, and secure the win! The endless journey on Heaven’s Road, an endless expedition, a testimony of a hot-blooded youth’s legend!

A dream every man harbors, with the ignition of the blood! Forever young, Undefeated God of War!

- Description from Novelupdates