Right, so here are all the things you will be needing.
http://www.legacies-reborn.com/t6-general-site-rules (For forum rules)
http://www.legacies-reborn.com/f55-canon-clan-info (To see which clans are open)
http://www.legacies-reborn.com/f4-character-creation (To create a character)
http://www.legacies-reborn.com/t74-the-experience-system (Experience System)
http://www.legacies-reborn.com/f27-character-updates (To update your character when needed, like adding new jutsu's and such)
http://www.legacies-reborn.com/t68-combat-styles-and-professions (Combat styles and professions)
Now, here is an example of general roleplay
http://www.legacies-reborn.com/t951-on-the-boarder-ii-nanimo-and-tashiro-yuki
Now here is an example of how to battle (Read all carefully)
http://www.legacies-reborn.com/t936-nanimo-vs-genesis
So yeah, this roleplay will need a lot of reading and writing. The first few days are the hardest because your confused in a mess of words, but then after those few days you are left with fewer questions, and starving for roleplay.
PM me if you want to rp.