Alright, yes I understand you have a good metagross. That's fine. But it completely undermines everything if you have it oneshot others. It was for show Winston.
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I'm a witch. I'll curse you. Raawwwwwwrrrrrrr
"YOU ARE THE PLUSLE TO MY MINUN!"
-Winston
I ev trained my metagross. It only took under an hour to do. Its pretty easy if you have the right tools. I could tell you how. It was very fast actually.