How to Beat Supreme: Sonic Frontiers' Final Ouranos Island Boss

A comprehensive guide on defeating Supreme, the Ouranos Island Titan in Sonic Frontiers, covering strategy, preparation, and key combat phases.

How to Beat Supreme: Sonic Frontiers' Final Ouranos Island Boss — illustration

To beat Supreme, the Ouranos Island Titan, you must engage it as Super Sonic, focusing on dodging its bullet-hell projectiles, destroying its diamond allies, parrying golden energy balls, and utilizing the homing shot ability to deal consistent damage. If you die, quit to the main menu and reload your last auto-save to restart with a full ring count.

Supreme Boss Overview

Supreme is the fourth Titan in Sonic Frontiers and serves as the final major Super Sonic confrontation of the main story on Ouranos Island. After Sonic collects all the Chaos Emeralds on Ouranos Island with the assistance of Eggman and Sage, he transforms into Super Sonic and initiates the battle. The fight takes place in an open sky arena with a floating platform, featuring no rails or large structures for cover. Supreme is a giant rifle-wielding mech that can transform its cannon into a blade and will challenge Super Sonic with a barrage of projectiles, beams, and blade swipes.

The core mechanics of a Super Sonic fight apply here: Sonic takes no damage but is on a time limit dictated by his ring count. If your ring count reaches zero, you fail the encounter. A critical tip for this fight is that dying once will significantly increase the difficulty on subsequent attempts, as the game only provides 100 rings, which is insufficient. If you fail, it is highly recommended to quit to the main menu and reload your last auto-save. This action will place you back in the open world, allowing you to re-attempt the Supreme fight with a standard, higher ring count.

Preparation for Supreme

Effective preparation is crucial for a smoother Supreme boss fight, as rushing into the encounter under-leveled can turn every mistake into a run-ending scenario. Supreme is designed as a late-game boss, requiring optimized stats and a full ring count upon initiation.

Stat CategoryRecommendationRationale
StrengthMaximizeSupreme has a long health bar; strong Super Sonic combos are vital for burning down health during damage windows.
DefenseBoostWhile Super Sonic doesn’t have traditional HP, higher defense makes the lead-up sections on the island more comfortable.
Ring CapacityBoostA higher ring cap allows you to enter the fight with a longer Super Sonic timer, providing more leeway for errors.

In addition to stat upgrades, ensure you have unlocked a few strong aerial skills. Any combo that keeps Super Sonic close to Supreme during damage windows is beneficial. The boss provides short but frequent opportunities to attack, so fast and consistent damage output is key. Before triggering the fight, it is imperative to top up your rings. Run a quick loop around the nearby terrain to collect as many rings as your capacity allows. Starting the fight with a low ring count will significantly increase the stress and difficulty of the encounter.

Combat Phases

The Supreme boss fight unfolds in two distinct phases, each demanding careful dodging, parrying, and offensive execution.

Phase 1

Upon entering the battle, Super Sonic is immediately thrown into the fight. The primary focus for Phase 1 is to navigate through the numerous projectiles while targeting Supreme’s diamond allies. This segment has a “bullet-hell” feel, requiring constant dodging and weaving through yellow projectiles to get close to the diamonds. Once you are near a diamond, attack it until it is destroyed.

After a diamond is destroyed, Supreme will perform a melee attack that launches Sonic backward. Following this, Supreme will shoot golden lasers at each of its diamonds and then attempt to hit Sonic with a barrage of golden energy balls. As soon as you see Supreme charge this move, assume the parry position (L1 + R1 / LB + RB). Parrying these projectiles will deflect them back at the diamonds, temporarily destroying them all. This creates a damage window where you should get in close and attack Supreme. If unlocked, the “homing shot” ability (R2 + SQUARE) is highly effective here, melting Supreme’s health quickly. You can consistently spam this ability. If Supreme survives your initial onslaught, it will charge another attack, which you should parry. Successfully parrying this attack will give you the option to use a spin dash by pressing TRIANGLE + CIRCLE. Phase 1 concludes when Supreme reaches half health, triggering a cutscene.

Phase 2

In Phase 2, Supreme transforms, summoning energy coils from its back to create wings, becoming faster and gaining flight. Despite its increased mobility, your core strategy remains similar. Continue to weave through the diamonds’ projectiles and attack them. When a diamond is destroyed, Supreme will again charge its golden light attack. Enter the parry position and prepare for the projectiles.

A key difference in Phase 2’s parry sequence is that you must parry multiple times to deflect all golden projectiles. Time will slow down, allowing you to re-initiate the parry position as each projectile lands. Crucially, remember to release L1 + R1 / LB + RB between each parry; the game will only register subsequent parries if you release and then re-hold the buttons.

As Supreme approaches approximately a quarter of its health, it will unleash a final, desperate move. When you destroy a diamond and bait out the golden light attack, Supreme will instead pull out its rifle and attempt to shoot Sonic. This triggers a Quick Time Event (QTE). Wait for the small white circle in the center to align with the large red circle surrounding it, then press SQUARE / X. Sonic will deflect the projectile, closing the distance to Supreme. Deal the remaining damage to win the fight.

FAQ

What happens if my ring count hits zero as Super Sonic? If your ring count hits zero, you will fail the fight.

What should I do if I die during the Supreme fight? If you die, quit to the main menu and reload your last auto-save. This will place you back in the open world with a normal, higher ring count, allowing you to retry the fight without the severe ring penalty of a direct retry.

What is the best ability to use for damage in this fight? The homing shot ability (R2 + SQUARE) is highly effective during damage windows in both phases, melting Supreme’s health quickly.

How do I parry Supreme’s golden energy balls? Assume the parry position (L1 + R1 / LB + RB) as soon as Supreme charges the move. In Phase 2, you’ll need to release and re-hold the parry buttons between each projectile.

When does the Quick Time Event (QTE) occur in the fight? The QTE occurs in Phase 2 when Supreme is at about a quarter health. After destroying a diamond and baiting its golden light attack, it will instead shoot its rifle, initiating the QTE.