Mortensen posted the piece to his Instagram on July 2 2018 with the following description:
From a Stephen King story. This is Adelia and ske sucks tears #johnkennmoryensen #donkenn @stephenking @iamlukejaden #adelia #stephenking #drawing #illustration #horror #creepy #scary
Inspired by a true story, Invincible recounts the last 48 hours in the life of Marc-Antoine Bernier, a 14-year-old boy on a desperate quest for freedom.