Jevil Fight Simulator — Deltarune Jevil Fight

How to Play Jevil Fight

This Jevil Fight Simulator takes you directly into a fan-made recreation of the secret Jevil battle from Deltarune Chapter 1. You do not need to complete the Card Castle quest or unlock Jevil first—the page starts with the encounter itself.

Click inside the game window before using the keyboard. Use the Arrow Keys to navigate the battle menus, press Z to confirm an action or advance dialogue, and press X to cancel. During Jevil's attack turns, control the SOUL with the Arrow Keys and dodge the incoming patterns while keeping Kris, Susie, and Ralsei alive.

TP and ACT choices are part of the fight, so each turn is not only about surviving the bullet pattern. The original project also includes Pirouette as part of the battle system. If you want to skip the opening sequence on repeated attempts, press Q.

Jevil Fight Controls

Click inside the game window first if the keyboard does not respond after using Search, Restart, Share, or Fullscreen.

About the Deltarune Jevil Fight

Jevil is the optional secret boss of Deltarune Chapter 1. This browser battle is a fan-made recreation by tripoid that focuses directly on the encounter rather than the exploration and key quest required to reach Jevil in the original game.

The fight keeps the familiar Deltarune party setup with Kris, Susie, and Ralsei, along with battle menus, TP management, ACT choices, dialogue, and SOUL-based bullet dodging. It should be treated as a fan recreation of the Jevil encounter rather than an official Deltarune release.

Jevil Fight Mechanics

• Party Turns: Use the battle menu to choose actions for Kris, Susie, and Ralsei before Jevil begins his next attack.
• SOUL Dodging: During enemy attacks, use the Arrow Keys to move through the battle box. Hold X when you need slower, more precise movement through a tight gap.
• TP and ACT: TP gives you access to important battle actions. Pirouette is one of the Jevil-specific ACT options available during the encounter.
• Pirouette Timing: The creator specifically recommends using Pirouette on the second turn when playing an attack-focused run.
• Intro Skip: Press Q to skip the opening sequence when restarting the fight and return to the playable section faster.

Tips for the Jevil Fight

• Use X for precise dodging. X slows the SOUL during attacks, which is useful when a pattern leaves only a narrow path between projectiles.
• Try Pirouette on the second turn. The creator specifically recommends this timing for an attack-focused run, so it is worth using before committing to a long damage sequence.
• Use short directional taps in dense patterns. Holding an Arrow Key for too long can carry the SOUL through one safe opening and directly into the next projectile.
• Prepare for the attack as soon as your menu turn ends. Move your attention from the command menu back to the battle box immediately so the first projectiles do not catch you out of position.
• Use Q when repeating attempts. Skipping the intro cuts down the downtime between runs and makes it easier to practice the same encounter repeatedly.
• Restore keyboard focus after using the website controls. If you used Search, Share, Restart, or Fullscreen and the game stops responding to keys, click inside the player once before continuing.