Seven Deadly Sins: Grand Cross Game Wiki
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Hero Rating & Base Stats

Blue festival cusack radar chart.png
Blue festival cusack stat bar.png

Hero Advanced Stats

Blue festival cusack advanced stat.png

Skills

Demonic Blade
Icon cusack ssr type01 skill 01.png Rank 1

Skillicon damage.png

Inflicts Cleave damage, which does not activate Crit Damage, equal to 200% of Attack on one enemy.
Rank 2

Skillicon damage.png

Inflicts Cleave damage, which does not activate Crit Damage, equal to 300% of Attack on one enemy.
Rank 3

Skillicon damage.png

Inflicts Cleave damage, which does not activate Crit Damage, equal to 500% of Attack on one enemy.


Evil Sword Beam
Icon cusack ssr type01 skill 02.png Rank 1 Skillicon damage.png Inflicts damage equal to 120% of Attack on one enemy and depletes 1 Ultimate Move Gauge orb.
Rank 2 Skillicon damage.png Inflicts damage equal to 300% of Attack on one enemy and depletes 1 Ultimate Move Gauge orb.
Rank 3 Skillicon damage.png Inflicts damage equal to 450% of Attack on one enemy and depletes 3 Ultimate Move Gauge orbs.


Ultimate

Resonant
Icon cusack ssr type01 special 01.png Inflicts Power Strike damage equal to 560 / 616 / 672 / 728 / 784 / 840% of Attack on one enemy. The hero gains 25%/50% Abyss effect for 1 turn at ranks 3~4/5~6.


Unique

Swordmaster
Icon exclusive skill 1898501.png If a critical strike does not occur when a Demon ally uses a single-target skill on the enemy, inflicts additional damage equal to 40% of the enemy's increased Max HP in PVP. (Applies when entering battle)


Hero Guide

Blue Festival Cusack was made available on 7DSGC Global’s September 7th, 2021 update. He was released as a Holy War Festival unit on the game’s 1.5th Anniversary, following Blue Festival Ludociel, Green Festival Zeldris, and Green “Assault Mode” Meliodas in the previous banners.

Cusack and Chandler were first introduced in the story during the prelude of the New Holy War arc, revealing them to be the former masters of the demon princes. Long before the first Holy War, Cusack trained Zeldris in combat as ordered by the Demon King.

He is very much attached to his student and believes Zeldris is worthy of reigning the Demon Clan instead of Meliodas. Cusack holds an unmatched skill in wielding swords and can use two identical sword hilts on both sides of his hips which he channels his darkness through to create two blades.

In the game, Festival Cusack is a utility and damage dealer. He inflicts Cleave damage and depletes Ultimate Move Gauge orbs to prevent enemies from using their Ultimate Move. Cusack gained the moniker "Napping Reaper" from his Ultimate Move called “Resonant” which allows him to link with someone through eyesight, eventually inflicting Power Strike damage to the enemy.

Cusack is widely used in PVP to counter enemy teams with HP-increase abilities, notably Red Purgatory Ban teams. He is also viable in Red Demon Death Matches due to his hero-type advantage. Stat-wise, Cusack has a high Attack, Pierce Rate, Crit Damage, and Lifesteal, giving him the potential to dish out heavy single-target damage.


Pros

  • High Attack-related stats (Attack, Pierce Rate, and Crit Damage)
  • Does not rely on Crit Chance to inflict significant damage
  • Able to deplete the Ultimate Move gauge orbs from the opponent

Cons

  • Countered by heroes with Attack Disable
  • Unique ability is very limiting. The damage increase only applies if the enemy has increased Max HP.


Skill Review

Demonic Blade - A single-target attack similar to Green Festival Zeldris’ “Black Road” skill. It inflicts Cleave damage which cannot be a Critical Strike but instead gains additional damage equal to 75% of his Crit Damage. This skill complements well with Green Festival Zeldris’ Commandment, assuring Cusack to be safe from its debuffs.

Formula: Cleave damage = Card Multiplier% + [(Crit Damage - 100%) x (0.75)]

Evil Sword Beam - A single-target attack that depletes the enemy’s Ultimate Move Gauge. Use this skill to disrupt the enemy from using their Ultimate Move. It only has a 120% attack multiplier at rank 1, which isn’t much, but it scales higher at rank 3 with a 450% attack multiplier and depletes up to three (3) orbs.

Ultimate: Resonant - Festival Cusack’s ultimate is a single-target attack with a Power Strike effect, inflicting additional damage based on the target’s Resistance. It has a 56% multiplier increase per level starting at 560% and maxes out at 840%.

From levels 3~6, his Ultimate gains an Abyss effect that inflicts damage on all enemies at the start of the enemy's turn. The additional damage is equal to the percentage of damage dealt from his Power Strike attack.

Note: The Ultimate Move itself is a single-target attack, but the Abyss (damaging buff effect) is AOE.

Unique: Swordmaster - Festival Cusack’s Unique ability is effective against teams with Increase HP or Increase HP-related stats buffs. It inflicts additional damage equal to 40% of the enemy's increased Max HP in PVP whenever a Demon ally lands a non-critical hit on a single target.

His Unique ability, however, is very limited and only works against specific teams (Ex: Purgatory Ban team).


Usage

Equipment Set
Utility build (High Combat Class) : Life (HP) / Iron Wall (Defense)
Damage dealer build: Onslaught (Attack) / Congeniality (Crit Damage)

Substats:
Bracer/Ring - Attack
Necklace/Earring - Defense
Belt/Rune - HP

PVP - Festival Ludociel elevates his allies to their peak potential. His skills provide crucial utility through cleansing and defensive protection. Not only that, his buff provides an attack boost that increases damage dealt to enemies, making everyone a viable damage dealer including himself. A full Goddess team with buff and stance abilities may benefit most from his passive effects, but any team combination with Ludociel can still work tremendously well.

Equip him with HP and Defense equipment sets for high CC. Survivability is key for Ludociel to effectively execute his role.

PVE Battles - Although damage-centric and fast clearing teams are ideal in PVE battles, using Festival Ludociel can work better in higher difficulties and major roadblocks of the game (events, story mode, special missions, etc.).

Red Demon - Festival Ludociel’s buff can be used to amplify attacks and reduce damage taken from the demon.

Training Grotto - He is mainly used as a counter to Strength-type (Red) Illusion Ambers, especially against Level 3 stages. He is also effective against [Red Amber] Bishop of Love, [Red Amber] Frenzied Giant, and [Red Amber] Explosive Giant.


Gallery

Story

Cusack is one of the highest-ranked demon of the Demon Clan as well as Zeldris' former master. He and Chandler were once a single entity known as the "Original Demon".

The "Original Demon" was created by the Demon King as his most trusted retainer. Acknowledging his own immense power, the demon rebelled against the Demon King only to be dealt with and punished. For rebelling against the Demon King, the "Original Demon" had it's body and soul split in two, and was tasked with the duty of being instructors to the two demon princes to become candidates for the throne of the Demon King.

Like Chandler's attachment to Meliodas, Cusack is very much attached to his student, Zeldris, expressing the utmost confidence and loyalty to the Demon King's second son. This extends to the point that he believes Zeldris to be worthy of reigning the Demon Clan next instead of Meliodas. This attachment led him to express complete anguish and shame along with rage when he ranted about how he failed to protect Zeldris when Meliodas pinned him down upon his arrival to Camelot.

Source: https://nanatsu-no-taizai.fandom.com/wiki/Cusack

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