My Exclusive Evil King Skill Is Too Overpowered

In a world where humanity is granted extraordinary powers known as “Divine Blessings,” Kyo Yasujima was cursed with nothing. Deemed completely worthless, he was mocked and ostracized as the weakest existence imaginable. But everything changes when he encounters the sealed Evil King, Zephyr Cleban. In exchange for his freedom, Zephyr grants Kyo an unprecedented and forbidden power: the “Evil King's Blessing.” Once ridiculed as the “Weakest Rank ZZZ,” Kyo has now been reborn as the “Strongest Rank ZZZ”! Armed with an overwhelmingly powerful and exclusive skill, his epic rise from the absolute bottom begins now!