[@Masaki Haruna]Not sure yet, maybe after we start.  Kind of want to see how everyone starts off first then start building any form of character interaction as the RP goes on.
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As for the MS Sharingan, they have their trade offs.   Amaterasu cause intense eye damage, the same with Tsukuyomi.  The Susanoo causes intense pain throughout the body, doing unknown damage to the user.  Then you have Kamui, that uses a lot of chakra and can kill the user if used too much in a short period of time.  Then there is the Izanagi and Izanami that you lose a sharingan instantly after using them.   

Edit- If we get this far into the sharingan, I guess only 1 would work per character.  It will keep people from getting OP.