DELTARUNE Jevil Fight Strategy

A complete guide to defeating Jevil in DELTARUNE Chapter 1, covering how to unlock the fight, essential items, detailed attack strategies, and rewards for both pacifist and violent routes.

DELTARUNE Jevil Fight Strategy — illustration

Unlocking the Jevil Fight

Jevil is a secret boss in DELTARUNE Chapter 1, and accessing his fight requires a specific sequence of actions. You must locate and repair a broken key before you can challenge him.

First, navigate to the 5th floor of the Card Castle. From there, take the elevator down to the 1st floor. Then, proceed to the next elevator and descend to the ”????” area. Here, you will find Jevil and learn about the key he needs to be freed.

The broken key is split into three pieces, scattered across different locations:

  • Broken Key A: Speak to Seam, the shopkeeper, and inquire about Jevil. Seam will provide you with the first key piece and a riddle hinting at the location of the next.
  • Broken Key B: This piece is situated in the scissor dancers’ area within the forest. There’s a chest in this area that appears inaccessible. To reach it, locate a secret path in the lower-left corner, specifically in the middle of the very lowest square. Be prepared to face three Rabbicks before acquiring the key.
  • Broken Key C: After successfully navigating one of the box puzzles, proceed straight upwards. You will encounter a card symbol puzzle. The solution to this puzzle is Diamond, Heart, Club, Spade, which corresponds to the order of the shaped doors on the main floors of the Card Castle.

Once all three broken key pieces are collected, head to the bake sale. Speak with Mallice and request that he fix items. He will automatically repair the key. With the fixed key in hand, return to Jevil’s location via the elevator to initiate the boss battle.

While specific item recommendations are not fully detailed in the provided sources, having healing items and equipment that boost your stats would generally be beneficial for a challenging secret boss fight like Jevil. The fight is described as fast, unpredictable, and incredibly deadly, suggesting that preparedness with consumables is wise.

Jevil Boss Fight Strategy

Jevil’s battle is known for its chaotic, bullet-hell nature. You have two primary approaches to defeating him: a violent route by reducing his HP to zero, or a pacifist route by making him sufficiently tired and then using Ralsei’s Pacify ability.

For a pacifist run, two key actions are available:

  • Hypnosis: This action costs 50% TP. It works to decrease Jevil’s attack power and simultaneously increases his tiredness. If Jevil’s tiredness reaches a high enough level, using Hypnosis will severely reduce his attack.
  • Pirouette: This action costs 20% TP and also increases Jevil’s tiredness. Pirouette can have various seemingly random effects, such as cutting Jevil’s attack, boosting it, swapping everyone’s HP, or even summoning a harmless bird.

The core challenge of the fight lies in navigating Jevil’s wide array of attacks. The aim is often to visually overwhelm you, so success relies on practice and patience.

Jevil Attack Patterns

Jevil employs a diverse set of attacks, many of which are fast and unpredictable. Understanding their patterns is crucial for survival.

Here are some of Jevil’s notable attacks:

  • “Catch me if you can!”: Jevil rapidly teleports to different spots on the screen, launching spade projectiles in various directions.
  • “Shall we play around?”: This attack involves circular patterns of spades forming sequentially, which then envelop your cursor.
  • “My hearts go out to all the sinners.”: Squares composed of heart projectiles sweep across the screen. These squares spin as they approach you from both sides.
  • “Let’s make the Devilsknife.”: Jevil’s scythe weapon, the Devilsknife, appears and splits into four separate pieces. These pieces cycle out towards the edges of the screen before returning, with the square formation of weapons spinning throughout the maneuver.
  • “Let’s ride the carousel game.”: A pattern is drawn on the screen using carousel ducks. These ducks move up and down as the carousel rotates.
  • “Having fun yet? Join the club!”: Incredibly fast club projectiles are fired at your position from both sides of the screen.

In addition to these, Jevil also utilizes other projectile-based attacks, including diamonds emerging from the bottom of the screen, clubs fired in triple rows of three bullets, and various combination attacks.

Rewards

The reward you receive after defeating Jevil depends on your chosen combat route:

  • Pacifist Route (Final move is Pacify): You will obtain the Jevilstail. This accessory provides +2 Attack, +2 Defense, and +2 Magic.
  • Violent Route (Final move is any attack): You will receive the Devilsknife. This is a Susie-exclusive weapon that grants +5 Attack, +4 Magic, and reduces the TP cost of RudeBuster by 10%.

FAQ

How do I initiate the Jevil fight? You must first find three broken key pieces (A, B, and C), have them repaired by Mallice at the bake sale, and then use the fixed key to unlock Jevil’s cell in the ”????” area of the Card Castle.

What are the key pieces and where can I find them? Broken Key A is from Seam, Broken Key B is in the scissor dancers’ area (secret path in the lower-left corner), and Broken Key C is past a box puzzle, solved by entering Diamond, Heart, Club, Spade into a card symbol puzzle.

Can I beat Jevil without fighting him violently? Yes, you can defeat Jevil peacefully by increasing his tiredness using Hypnosis and Pirouette, then using Ralsei’s Pacify ability as the final move.

What is the benefit of a pacifist route versus a violent route? A pacifist route yields the Jevilstail accessory (+2 ATK, +2 DEF, +2 MAG), while a violent route provides the Devilsknife (Susie-exclusive, +5 ATK, +4 MAG, 10% RudeBuster TP cost reduction).

What actions can I take during the Jevil fight? You can use Hypnosis (50% TP) to reduce Jevil’s attack and increase tiredness, or Pirouette (20% TP) to increase tiredness with random effects. You can also choose to attack.