So first things first, yash567 said he will get 18 rare pokemon, then he said he will give me a shiny ultra necrozma in a different account, then i said i will trade all my pokemon, after that he never gave me the shny necrozma ultra, he got all of my pokemon, then he never gave me any of them, but he gave me 2 of the 3 pokemon back, but he still did not give my shiny hoopa unbound, can u help with this with yash567?