Stranger Things (BOOK 1): Clash Of The Gifted

WARNING: This story is the continuation of season 1 and 2 but completely ignores the events of season 3.

"2 years after our heroes close the gate to the upside down, they get involved in a rivalry between 2 gifted beings, making Eleven not the only one out there. Abbadon wants to open the upside down and bring death to all while Rick wants to prevent that and to keep his new friends/family safe but what they both really want is to kill the other. Now everyone will realize that it's gonna take a monster to kill the monster"