Eons after his murder, the first ascendant in the omniverse reincarnates as a peasant in 16th-century France. Over the eons, his soul has been accruing power, and when reincarnating, these new powers manifest in several peculiar ways.
The peasant is unaware of his true nature, or even that he possesses supernatural power as he grows up. Shortly into his adulthood, he gets a job as a servant in the Palace of Fontainebleau, during the final years of the reign of King Henry II. Following a particularly long day, the peasant regains awareness of his powers and true nature. This peasant, tired of his lowborn station and status, elects to use his powers to elevate his standing.
Note: This is not a jumpchain story, will not have perks or items, and will not feature celestial enhancements like the celestial grimoire or forge. It is, however, a multi-fandom story, and will feature world-hopping, Troyverse ascendants, and essences.