Welcome blackout. I suggest you look around the forum and read up a bit. There is a lot of knowledge here but it will take some time to look through it. There is a really good sticky at the top of this forum that can give you some direction.
Do you eat eggs and milk? If you do then it will be easier to gain muscle mass. Strict vegans have a tough time doing putting on size.
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Train the body as it truly is: one, flexible piece!