The launch of the Endless Ragnarok expansion DLC on July 9, 2026, introduced a brutal array of endgame encounters to Granblue Fantasy: Relink. To conquer these high-level challenges on PC, PS5, PS4, and Switch 2, players must master complex mechanics across several new encounters. This guide provides a comprehensive overview of Endless Ragnarok all new bosses, mapping out detailed phase transitions, elemental vulnerabilities, and survival strategies. Navigating these fights successfully requires a highly optimized party, utilizing systems like Weapon Transcendence and the newly introduced Summon System.
Whether you are dealing with the spatial distortions of The World or facing Beelzebub, the Endless Ragnarok hardest boss, understanding specific Endless Ragnarok boss attack patterns is critical to avoiding instant wipes on Chaos difficulty. Below, we break down each major encounter, outlining the optimal Endless Ragnarok boss fight strategy and exploiting Endless Ragnarok boss weaknesses to secure rare Fatebreaker materials.
For official updates and patch notes regarding boss scaling, visit the Cygames Official Granblue Fantasy: Relink Portal.
Endless Ragnarok Boss Profiles and Elemental Alignments
Every boss in the Endless Ragnarok expansion features unique elemental attributes that dictate party composition. On Chaos difficulty, matching the elemental weakness of a boss is no longer optional; it grants a flat 20% damage multiplier and increases stun gauge buildup by 30%. This is crucial for triggering Link Time and executing Primal Bursts before bosses launch their wipe mechanics.
The table below outlines the primary stats, elemental weaknesses, and signature drops for the main expansion bosses.
| Boss Name | Primary Element | Weakness Element | Key Fatebreaker Drop | Recommended Power Level | Unlock Requirement |
|---|---|---|---|---|---|
| Beelzebub | Dark | Light | Chaos Core | 22,000 | Complete Epilogue & Fatebreaker Quest "The Chaos Avatar" |
| The World | None (Neutral) | Variable (Adapts) | Arcarum Fragment | 21,500 | Clear "The World-State Distortion" Quest |
| Ragnalia Core | Fire | Water | Ragnalia Core Engine | 20,800 | Clear "Heralds of Doom" in The Conflux |
| Ragnalia Sentinel | Earth | Wind | Sentinel Plating | 20,800 | Clear "Heralds of Doom" in The Conflux |
| Seofon (Trial) | Wind | Fire | Sword God's Emblem | 21,000 | Unlocked via Fatebreaker Quest "The Eternal Trial" |
| Tweyen (Trial) | Light | Dark | Starbow Essence | 21,000 | Unlocked via Fatebreaker Quest "The Eternal Trial" |
Beelzebub: The Chaos Legion Strategy
Beelzebub serves as the primary antagonist of the expansion and stands as the Endless Ragnarok hardest boss. The encounter is divided into three distinct phases, each requiring precise movement and DPS checks to survive.
Phase 1: Chaos Legion (100% - 75% HP)
Beelzebub begins the fight by casting Chaos Legion, a screen-wide shockwave that inflicts Shadowbind (preventing movement) and massive Dark damage.
- Strategy: As soon as Beelzebub teleports to the center of the arena, look for the safe zones indicated by the glowing gold rings on the outer edge.
- Counter: Characters like Sandalphon can use Supreme Primarch Mode to glide over the shockwaves, maintaining continuous DPS.
Phase 2: Black Flies and Langula (75% - 40% HP)
During this phase, Beelzebub summons homing dark spheres (Black Flies) that track players. Concurrently, he summons Langula blades that sweep across the arena in a grid pattern.
- Strategy: Do not group up. Spread out to prevent the homing spheres from overlapping and hitting multiple party members.
- Counter: Use Maglielle to deploy defensive shields, absorbing the chip damage from the Langula blades while the primary DPS focuses on breaking Beelzebub's stun gauge.
Phase 3: The Great Void (40% - 0% HP)
Beelzebub channels The Great Void, a massive black hole in the center of the arena that pulls all players inward while raining down meteors.
- Strategy: Run in the opposite direction of the pull. If you are pulled to the center, it is an instant death. Save your Skybound Arts (SBA) for this phase to execute a full chain, freezing the boss's action bar and bypassing the final DPS check.
| HP Threshold | Action Name | Attack Type | Counter Strategy |
|---|---|---|---|
| 100% | Chaos Legion | Screen-wide AoE | Dodge-roll into the gold safe zones at the arena border. |
| 75% | Black Flies | Homing Projectiles | Spread out; use defensive skills or shields. |
| 50% | Langula Grid | Grid-based Slashing | Jump over horizontal waves; dodge through vertical lines. |
| 40% | The Great Void | Gravity Pull & Meteors | Run outward; trigger SBA Chain to interrupt the channel. |
The World: Arcarum Reality Distortion
The World is a neutral-element boss that alters the physical laws of the arena, making it one of the most mechanically demanding fights in the expansion.
World-State Shift
At specific intervals, The World will shift the arena state, reversing player movement controls or manipulating gravity.
- Control Inversion: A blue debuff icon appears above player heads. Moving your analog stick forward will move your character backward.
- Gravity Reverse: Players are lifted into the air. While airborne, you take continuous tick damage. To escape, you must perform a perfect dodge right as the purple energy wave hits the ground.
Tarot Card Summons
The World periodically summons spectral copies of the Death and Temperance tarot cards.
- Death Card: Targets a random player with a 10-second Doom timer. If the card is not destroyed before the timer reaches zero, the targeted player dies instantly.
- Temperance Card: Emits a slow aura that increases skill cooldowns by 100%.
- Priority: Always target the Death Card first. Use high-burst characters like Beatrix to quickly deplete the card's health pool.
Ragnalia: Heralds of Doom Duo Fight
The Ragnalia encounter is a dual-boss fight featuring the Ragnalia Core (a stationary magic caster) and the Ragnalia Sentinel (a mobile melee defender). They share a mechanic called Resonant Shield, which increases their defense by 50% if they are within close proximity to each other.
[Ragnalia Core] <--- Keep Separated ---> [Ragnalia Sentinel]
(Focus with Magic/Ranged) (Tanked by Melee/Shield)
Split and Conquer Strategy
To defeat the Heralds of Doom, the party must split the bosses' attention:
- Tank Role: One player, preferably playing a high-defense character like Gallanza or Vane, must draw the aggro of the Ragnalia Sentinel and lead it to the far south of the arena.
- DPS Group: The remaining three players should focus their attacks on the Ragnalia Core at the north end of the arena. The Core has lower HP but casts high-damage fire spells that can wipe the party if left unchecked.
Doom's Toll Ultimate
When either boss reaches 50% HP, they will teleport to the center and begin channeling Doom's Toll. This attack creates an expanding red dome. If the dome fills the entire arena, it deals fatal damage to all party members.
- Counter: Both bosses must be stunned simultaneously. Save your Link Time for this moment. Execute a Link Attack on the Sentinel while using ranged skills on the Core to break their shields and cancel the channel.
| Boss Entity | Signature Attack | Effect | Counter / Evade Method |
|---|---|---|---|
| Ragnalia Core | Crimson Rain | Multiple falling fire meteors | Run in a circular pattern; do not stand still. |
| Ragnalia Sentinel | Earthbreaker | Ground slam causing shockwaves | Jump over the shockwaves; block if timing is missed. |
| Both (Combined) | Doom's Toll | Arena-wide wipe mechanic | Deplete both stun gauges using Link Attacks or SBA. |
Seofon & Tweyen: The Eternal Trial
Unlocked via the high-difficulty Fatebreaker quests, this fight pits you against two legendary Eternals simultaneously. This encounter serves as the ultimate test of your party's positioning and target prioritization.
Priority Target: Tweyen
Tweyen must be defeated first. Her ranged attacks inflict Paralysis and Slow, making it nearly impossible to dodge Seofon's fast-paced sword strikes if you are hit.
- Tweyen's Attack Patterns: She fires triple-shot tracking arrows that split upon impact. Keep moving laterally to avoid them. When she charges her Peacemaker's Bow, get behind her to avoid the linear piercing beam.
- Seofon's Aggro: While the party focuses on Tweyen, one player must distract Seofon. Seofon uses Aureole Slash, sending homing wind blades across the arena. A character with high mobility, such as Lancelot or Zeta, should bait these attacks away from the main DPS group.
The Ultimate Combo: Seven-Star Sword and Starbow
When either Eternal falls below 30% HP, they will initiate a joint ultimate attack. Seofon summons a dome of swords that limits the fighting arena, while Tweyen rains down explosive light arrows from above.
- Strategy: Switch to a defensive playstyle. Do not attempt to attack during this phase. Focus entirely on dodging the falling arrows while staying inside the safe boundaries of Seofon's sword dome. Once the ultimate ends, burst down the remaining Eternal.
Chaos Difficulty Preparation and Loadouts
To survive the punishing Endless Ragnarok boss attack patterns on Chaos difficulty, your party's build must be highly optimized. Standard builds will result in instant deaths, as most boss ultimate attacks deal over 50,000 damage per hit.
Essential Sigils
- Warpath+ (S-Tier): Increases damage cap and provides character-specific bonuses.
- Alpha/Beta/Gamma: Essential for maximizing SBA damage and reducing cooldowns during Link Time.
- Guts and Autorevive: Mandatory safety nets. You cannot afford to waste time manually reviving teammates during intense phases.
Utilizing the Summon System
On Chaos difficulty, Lyria can summon primal beasts to turn the tide of battle. Ensure your party coordinates their summon loadouts before entering the quest.
- Lucilius: Best used during Link Time for raw damage output and to apply a defense down debuff on the boss.
- Rolan: Best deployed during defensive phases, providing the party with a temporary invincibility shield and continuous healing.
The table below outlines the recommended character loadouts for tackling these endgame bosses.
| Character | Role | Recommended Sigils | Recommended Summon | Key Master Trait Path |
|---|---|---|---|---|
| Sandalphon | Main DPS | Warpath+, Critical Hit Rate V+, Gamma | Lucilius | Path of Insight |
| Maglielle | Support / Shield | Alpha, Cooldown Reduction V+, Aegis | Rolan | Path of Essence |
| Beatrix | Burst DPS | Beta, War Elemental+, Critical Hit Rate V+ | Lucilius | Path of Crux |
| Gallanza | Tank / Aggro | Stout Heart, Aegis V+, Guard Recovery | Rolan | Path of Essence |
Frequently Asked Questions
What is the hardest boss in Endless Ragnarok?
Beelzebub on Chaos difficulty is widely considered the Endless Ragnarok hardest boss. His tight DPS checks, screen-wide instant-death mechanics, and high HP pool require a fully coordinated party with maximized Weapon Transcendence levels.
How do I unlock the Fatebreaker boss quests?
To unlock the Fatebreaker quests containing these bosses, you must first complete the Proud-difficulty quest "The Tale of Bahamut's Rage" to unlock the Epilogue. Once completed, progress through the Chaos-difficulty questline to unlock individual boss encounters.
What is the best strategy for managing dual boss fights like Ragnalia?
The best Endless Ragnarok boss fight strategy for dual encounters is to separate the bosses to deactivate their Resonant Shield. Have one tank character draw the Sentinel's aggro to the southern edge of the map, while the rest of the party bursts down the Core at the northern edge.
How do I counter the control inversion mechanic used by The World?
When The World casts World-State Shift, look for the blue debuff icon above your character. For the next 8 seconds, your movement inputs are completely reversed. The safest approach is to stop attacking and focus on simple movement, or use characters with long-range attacks like Eustace to maintain DPS from a safe distance.