One day you were biking to fast and crash into the dry up damp under the Troll Bridge. You saw a glowing amulet bury under a old statue. Since that day you been The Trollhunter!

(A few months later) You were fighting a changeling in your Trollhunter armor, the fight has been going on for hours until you finally injured and corner the changeling. Suddenly the changeling change it form, the changeling changes into Walter Strickler. Your adopted father who raised you since you were 5 years old.