My suggestion? Train hard and find instructors who know their stuff. Work on developing yourself physically and mentally. Study the knowledge here, and add to your toolbox of skills. Hand to hand, weapons - you already know how to use a gun, add something like a blade to your arsenal. There are skills you can pick up here that you wouldn't be able to anywhere else - like magic, and not only filial magic.

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If you want, I know a variety of people willing to be instructors. I'm willing to get in contact with them if you'd like.