Rocket Meets His Match

Months pass and the Guardians have stuck together; but one's getting a bit testy (well, more-so than usual). Swearing there is nothing going on, him and the gang run into a very unique fighter and unearth some rather macabre secrets, propelling them into an adventure they realize they may not be ready for. (Adventure, Humor and Romance) Rocket/OC, some StarLord/Gamora - slight AU.