Finishes: Colors & Stains

What is the translation of "dia de jogo" in English? pt. dia de jogo = game day.

Jogo is a major antagonist in the anime/manga series Jujutsu Kaisen. He is a special grade Cursed Spirit, who alongside several others of his kind, conspired to bring about the destruction of humanity and the construction of a society where Cursed Spirits like himself will reign supreme.