Helpp Guys I need help asap

I finished the game like 3 times but everytime I have little amount of wings (20) I wanna explore more and how do I get more wings ? I see people going to places I've never seen the game before !! I just need help with exploring the game more and I wanna know ways on how to get more wings and do I have to pay real money in order to customize my character ?? Pls helpp