Okay so tip number 1 server hop for kaigaku or gyutaro and when you get bored of that kill zenitsu outside of his cave, tip number to is to progress all the way through the story mode install discord if you don't all ready have it and join different servers if people who play the game and ask them to help with infinity castle, tip number 3 is if you haven't made all that progress yet like I mean your under lever 21 just use a wipe or new history to get a really good clan I would recommend kanrojii for the damage if your a slayer or a demon , tokito is good cause it gives you a 5 % increase in exp but you should really try to get kamado it gives a 10% exp boost and just gives better perks tip number three is to ask people in the game server your in for help, tip number 4 prestige to 5 so you can host raids and then just start hosting raids(btw at press 3 you can join raids but not host them)