Kill or be killed

A kid with his friends who happened to come across a abandoned school they go to everyday to ride their bikes and do tricks with at happens to gravitate a certain company thd “company” they happen to gravitate just so happens to have nothing to do with them they just happened to cross paths and once they arrived they are looking for emerald these emeralds grant a concept to be brought into existence if they gather all 20 emeralds across the big globe Earth and the kid years later has a bone to pick with someone involved in supernatural shenanigans is the supernatural shenanigabs involved with the boy or is the boy just a random who happen to pick up on supernatural sightings?