Seven Deadly Sins: Grand Cross Game Wiki
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Battle against all-powerful Demonic Beasts who exist in hidden areas of this world! This is the hardest PVE boss to date which drops materials to craft Holy Relics, giving special effects and additional basic stats to registered Heroes.

The current Demonic Beast Battle is situated in Hraesvelgr’s Nest where you have to battle Hraesvelgr, a jötunn from Norse mythology who takes the form of a giant eagle, causing strong winds to blow with his wings.

General Info

Demonic Beast Forms

Demonic Beasts have three forms: Demonic Beast, Greater Demonic Beast, and Ultimate Demonic Beast, each stronger than the last.

Demonic Beast Passive

Demonic Beasts become stronger as you progress through the battles. When a phase ends, a passive activates. The Demonic Beast also accumulates passives.

Preparing for the Demonic Beast Battles

Challenge Demonic Beasts with the party of your choice. You can choose up to four heroes and four associated heroes. Artifact settings are saved along with the party when confirmed.

Demonic Beast Battle

The four heroes can use up to four skills against Demonic Beasts. Once a stage is cleared, the heroes’ remaining HP and accumulated Demonic Beast Passives carry over to the next stage. Heroes who are defeated in battle cannot participate in the next stage.

Demonic Beast Battle Progress Reset

Demonic Beast Battle progress resets if you fail to clear a stage or clear the highest floor. If a reset occurs, you must start over from the first floor. You can then change your party once reset. You can also manually reset your progress.

Weekly Demonic Beast Battle Reset

Demonic Beast Battle resets every Monday at midnight. You can obtain first-time clear rewards from each stage after the weekly reset.

Fate Stones

Fate Stones allow you to obtain first-time clear rewards again before the weekly reset even if you have already acquired them. Use them to reset first-time clear rewards. Fate Stones are not returned when the weekly reset time passes and there is a limit to the number of Fate Stones you can possess.

Demonic Beast Info (Hraeslvelgr)

There are currently 3 floors, each with 4 phases to clear. First Time Stage Clear Rewards can be claimed after clearing a floor once before reset (Wind Source and Magnificence of Valhalla). Stage rewards can be farmed repeatedly to farm other materials.

Floor 1

Phase 1
Attack: 11,296 The Demonic Beast is immune to Reflect damage, deals Spike damage on single targets, and uses a skill that applies Bleed on all enemies. You must pay close attention to the battle.
Defense: 8,946
HP: 366,500
Phase 2
Attack: 11,860 The Demonic Beast is immune to Reflect damage and uses a skill that applies Bleed on all enemies. Its Ultimate Move deals Weak Point damage to all enemies, so it is important to use skills that remove Debuffs.
Defense: 9,807
HP: 381,160
Phase 3
Attack: 12,883 The Demonic Beast is immune to Reflect damage, deals damage to single targets after removing Buffs, and uses a skill that Ignites enemies. You must pay close attention to remove Debuffs and use Buff Skills in battle.
Defense: 12,480
HP: 502,455
Phase 4
Attack: 14,168 The Demonic Beast is immune to Reflect damage, and its Defense greatly increases at the start of the battle. If it does not take damage, it deals Corrosion damage on all enemies based on Max HP. In addition, it restricts the Recovery effects on all enemies after 3 turns, then increases its Attack. The battle becomes increasingly harder as it continues.
Defense: 20,262
HP: 522,138

Floor 2

Phase 1
Attack: 14,102 The Demonic Beast is immune to Reflect damage, uses a Buff skill that increases basic stats every set number of turns, and uses an Attack Skill with the Amplify effect. Caution is required.
Defense: 10,738
HP: 458,880
Phase 2
Attack: 14,102 The Demonic Beast is immune to Reflect damage and uses an Attack Skill which deals great damage every set number of turns. If the attack lands on a Taunted enemy, they will not take damage.
Defense: 12,987
HP: 501,900
Phase 3
Attack: 16,073 The Demonic Beast is immune to Reflect damage, and its stats become enhanced at set amounts of remaining HP. You must pay close attention to your damage dealt in battle.
Defense: 15,912
HP: 554,400
Phase 4
Attack: 16,794 The Demonic Beast is immune to Reflect damage and uses a skill with the Explosion effect on all enemies every set number of turns. If an enemy takes damage from the Explosion effect, the Demonic Beast restores its HP and fills its Ultimate Move Gauge.
Defense: 13,882
HP: 708,880

Floor 3

Phase 1
Attack: 19,257 The Demonic Beast is immune to Reflect damage, and its Debuff disables the use of Rank 2 skills. You must remove the Debuff or depend on Rank 1 Skills and Ultimate Moves to defeat it.
Defense: 14,712
HP: 748,020
Phase 2
Attack: 20,862 The Demonic Beast is immune to Reflect damage and follows a pattern of depleting enemy Ultimate Move Gauges in certain conditions. You must pay close attention to the battle.
Defense: 15,429
HP: 748,020
Phase 3
Attack: 17,443 The Demonic Beast is immune to Reflect damage and disables an enemy skill type every turn. The Demonic Beast must be defeated before all skills are sealed.
Defense: 23,712
HP: 904,995
Phase 4
Attack: 23,972 The Demonic Beast is immune to Reflect damage and deals greater damage to single targets the higher its HP. You must deal as much damage as possible within a short time to protect your heroes.
Defense: 17,881
HP: 963,290

Demonic Beast Info (Eikthyrnir)

There are currently 3 floors, each with 4 phases to clear. First Time Stage Clear Rewards can be claimed after clearing a floor once before reset (River Source and Sublimity of Valkyries). Stage rewards can be farmed repeatedly to farm other materials.

Floor 1

Phase 1
Attack: 13,555 The Demonic Beast is immune to Reflect damage and deals single-target Spike and all-target Pierce damage. You must pay close attention during battle.
Defense: 9,372
HP: 439,800
Phase 2
Attack: 13,555 The Demonic Beast is immune to Reflect damage and increases its Pierce Rate, Crit Chance, and Crit Damage by 10% for each Debuff on the enemy. It takes increased damage from certain attributes depending on its battle state. You must have a team of diverse attributes.
Defense: 8,024
HP: 1,806,000
Phase 3
Attack: 13,378 The Demonic Beast is immune to Reflect damage and increases its Crit Chance by 10% each time it uses a skill. It uses a skill with Despair effect on all enemies every set number of turns. You must disrupt its healing during battle.
Defense: 12,480
HP: 484,825
Phase 4
Attack: 16,100 The Demonic Beast is immune to Reflect damage and uses a Stance Skill every set number of turns, countering to deal damage when attacked. It takes reduced damage from certain attributes depending on its battle state. You must have a team of diverse attributes.
Defense: 18,420
HP: 417,710

Floor 2

Phase 1
Attack: 11,348 The Demonic Beast is immune to Reflect damage, uses a Buff Skill which increases its Attack every set number of turns, and deals additional damage to enemies with lower Attack. Caution is required.
Defense: 13,216
HP: 530,580
Phase 2
Attack: 15,187 The Demonic Beast is immune to Reflect damage and uses a powerful Attack Skill on all enemies every set number of turns. Frozen enemies do not take damage from this skill. It takes reduced damage from certain attributes depending on its battle state and Freezes enemies under certain conditions.
Defense: 15,584
HP: 587,940
Phase 3
Attack: 15,600 The Demonic Beast is immune to Reflect damage and uses a skill with the Delete effect on individual targets every set number of turns. Increases Demonic Beast's basic stats when using a Delete skill.
Defense: 13,464
HP: 658,350
Phase 4
Attack: 16,869 The Demonic Beast is immune to Reflect damage and uses a Stance Skill every set number of turns, increasing the Demonic Beast's Attack-related stats. It greatly reduces damage taken from certain attributes depending on its battle state. You must have a team of diverse attributes.
Defense: 15,733
HP: 787,645

Floor 3

Phase 1
Attack: 16,048 The Demonic Beast is immune to Reflect damage, uses a skill which the Shock effect on all enemies, and deals additional damage when attacking Shocked enemies.
Defense: 15,325
HP: 683,904
Phase 2
Attack: 14,443 The Demonic Beast is immune to Reflect damage and its damage dealt increases for each orb in the Ultimate Move Gauge. It uses a skill which increases its damage taken from certain attributes every 2 turns. You must have a team of diverse attributes.
Defense: 25,716
HP: 940,368
Phase 3
Attack: 15,350 The Demonic Beast is immune to Reflect damage and uses a skill with the Delete effect on individual targets. Increases Demonic Beast's basic stats when using a Delete skill. It is crucial to take down the Demonic Beast quickly before its basic stats increase too much.
Defense: 20,976
HP: 930,852
Phase 4
Attack: 16,596 The Demonic Beast is immune to Reflect damage. When surviving with less than 20% HP, it heals itself to full health and increases all stats (limit once). It greatly reduces damage taken from certain attributes depending on its battle stats. You must have a team of diverse attributes.
Defense: 15,130
HP: 939,796
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