making this because the last one died, and I'm honestly a bit frustrated nobody got mine before the last thread died, making some changes to my hints so mine is hopefully easier to guess

Hint 1: Der Freischütz
Hint 2: Decidueye is a playable character
Hint 3: The Minior is a Blue Core Minior
Hint 4: Giratina is a main character
Hint 5: Xatu dies
Hint 6: Necrozma can represent either a character or a concept from the game
Hint 7: Minior and Arceus are part of the same entity