Beyond the Script: The Extra Who Stole the Mangakyo - Chapter 3 -

... re the altar, heart pounding. The ruins around me were silent, save for the distant rustling of wind through broken stone pillars. This was it—the place where the forgotten Easter egg of Mana's Ascension lay hidden.

The Mangekyō Sharingan wasn't just something you could buy from a shop or loot from a dungeon. No, the developers had gone all out with this secret, making it a reward for a grim, obscure ritual—one that most players never bothered with because of its ridiculous cost.

...