You need to find all the Broken Keys to unlock the prison cell and take on a secret boss in Chapter 1 of Deltarune. Here’s how to find the keys.

There is a secret boss for each chapter in Deltarune, ... Save your game, use the key, then head through the new prison door to start the fight. Defeating Jevil. Jevil is one of, ...

DELTARUNE Chapter 1_20190206215048 DELTARUNE Chapter 1_20190205121803 Jevil is the secret optional boss in Deltarune: Chapter 1 — you’ll find him at the bottom of Card Castle , locked in a cell.

Chapter 1 of Deltarune is suitably strange, introducing you to a number of key characters and the mysterious Dark World. Fans of Undertale will have plenty of lore snippets and easter eggs to ...