Deltarune: Giga Queen Boss Guide

Throughout Chapter 2 of Deltarune, the Queen is your main antagonist. Her goal is to create more Dark Fountains to expand her Dark World. She specifically targets Noelle to be her "Knight," believing Noelle has the power to create Dark Fountains.

Near the end of the chapter, the Queen has Noelle tied to a giant hand, and her ultimate form is revealed: Giga Queen. The Giga Queen is the Queen’s final form and the last boss battle in Deltarune Chapter 2. This guide covers how you can defeat the Giga Queen for good.

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By Diego Perez

How to Beat Giga Queen in Deltarune

The Giga Queen battle is a unique, multi-round boss fight since you’ll be getting your own Thrash Machine robot. Both ACT and FIGHT commands are available, giving you flexibility in how you approach the battle. There’s no pacifist route for this fight; you’ll need to reduce the Giga Queen’s HP to defeat her.

There are three rounds in the Giga Queen boss battle in Deltarune, where she gets stronger as you progress. This battle is heavily reliant on your reaction time and understanding of her attack patterns. The moment she glows, prepare to dodge or duck. Each round has a specific attack you need to watch out for.

Phase One

When Queen leaps into the air and hurls baseballs downward, quickly strike upward to knock them out of the air before they hit you. Once Giga Queen stops glowing and finishes her attack, you'll get a small window to attack. This is your chance to attack the Queen and unleash some punches of your own.

Phase Two (and Three)

As you chip away at her health, the Queen will introduce new, more complex attacks. Watch for golden wheels charging toward you in rapid succession; they come in three waves. Time your movement and duck under each one to stay safe.

Phase Three

In the final phase, the Giga Queen will summon multiple mirror images of herself that rush toward you. Look for a gap between the clones and dodge through it. If no gap appears, your safest move is to duck and strike a pose, instead of attacking, to avoid taking damage.

For her final move, Giga Queen throws a baseball at you. Time your punch carefully to knock it back at her. Landing this hit will end the fight.

After you defeat Giga Queen, an emotional scene unfolds between the party members in Deltarune. Berdly, caught up at the moment, tries to create a new Dark Fountain, but Ralsei quickly intervenes and stops him. When the cutscene ends, you’ll complete the Mansion section of Chapter 2.

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