A Disaster Battle is an Event game mode in which players team up to defeat the featured bosses from The Seven Disasters. Players can participate in real-time 2-player battles, similar to how Death Matches are played.
Clearing a Disaster Battle will give you medals to exchange for Growth and Special items in the Exchange Shop.
Contents
Strategy & Team Composition
The general rule for the Camila boss battle is to attack with precaution knowing that her passive skill stacks a buff every time she is attacked.
Absolute Power (Passive) - Camila gains an increase in Attack-related stats by 30% for each attack and stacks up to 4 times. If 5 or more of these effects are applied, removes the Buffs, Deletes 1 hero skill, and completely fills the Ultimate Move Gauge.
Camila’s attacks don't hit that hard without her passive buffs. Thus, players use the 5 Attacks strategy to limit the boss’ damage. Basically, what the strategy suggests is to use only 5 attack skills per turn. Anything less than 5 attacks or more than 5 attacks is detrimental. If Camila ends up getting 4 buff stacks, there is no doubt that she’ll instantly wipe off your team next turn. Therefore, the best approach is to attack 5 times or choose not to attack at all (Use buffs or move cards).
Strength-based Teams (Red)
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Mono-Red teams with Red Gowther (or Green Halloween Gowther) involve synchronized buffs with your co-op partner. Use the 5 Attack strategy until you can skill-up for rank 3 cards to burst down the boss.
Main Heroes
Red Arthur - His buff is used to boost your team’s attack related stats, especially for your damage dealers. He also increases Human allies’ HP-related stats for additional survivability.
Red Derieri - Has an Amplify damage effect in conjunction with her buffs so she can inflict burst damage.
Red Escanor - Along with Red Arthur’s buff, inflicts an insane amount of burst damage from his Amplify skill.
Red Gowther / 
Green Halloween Gowther - Primarily used to skill-up your buffer and attacker’s cards.
Red Sariel - Has a Power Strike ability, inflicting an insane amount of damage against bosses with high resistance. Additionally, his Grace adds more damage when he lands a critical strike.
Sub
Red Jericho - Increases Strength attribute allies' Attack-related stats by 10%.
Red Elizabeth - Provides passive healing when allies take damage.
Green Deathpierce - Decreases enemies' Crit Resistance and Crit Defense by 30%.
Speed-based Teams (Blue)
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Mono-Blue teams use type advantage to gain an edge over Camila. As long as you follow the 5 Attack strategy, you can go all out with 2 or 3 damage dealers on your team. Open up your attacks with Blue Nunchuck Ban’s debuff skill or Blue Eastin’s buff for maximum damage.
Main Heroes
Blue Arthur - Can deal massive damage with his Detonate skill effect.
Blue New King Arthur - High damage due to Sever and Unique effects that increases Crit Damage.
Blue Nunchuck Ban - Able to provide damage and utility using debuffs (Decrease Defense-related stats and Extort).
Blue Eastin - Primarily used to increase the Attack-related stats of your party members.
Blue Eren - Able to buff himself to increase basic stats and gain Evasion. Also inflict Shatter damage, ignoring resistance.
Red Gowther / Green Halloween Gowther - Primarily used to skill-up your buffer and attacker’s cards.
Blue Mai - Can increase basic stats when her skill ranks-up and inflict Amplify damage.
Blue Mikasa - A solid option as a damage dealer, capable of increasing her stats when allies take damage.
Blue Slater - Reliable damage dealer that guarantees critical hits when the target has an empty Ultimate Move Gauge.
Blue Zeldris - Capable of generating high output damage from his Unique and Skill effects (Spike and Increase Crit Damage).
Sub
Blue Jericho - Increases Speed attribute allies' Attack-related stats by 10%.
Red Elizabeth - Provides passive healing when allies take damage.
Green Deathpierce - Decreases enemies' Crit Resistance and Crit Defense by 30%.
Exchange Shop
Marks of the Beast Coins are obtained from clearing the Disaster Battle. These can be exchanged for Growth materials and Special Items in the shop.
Boss Info
| Normal | Hard | Extreme | ||
| Level | 120 | 160 | 200 | |
| Attribute | 
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| CC | 120,000 | 160,000 | 200,000 | |
| Stamina | 16 | 20 | 24 | |
| Phase 1 | Phase 1 | Phase 1 | Phase 2 | |
| Attack | 5,933 | 8,290 | 11,200 | 11,663 |
| Defense | 5,383 | 8,184 | 10,809 | 11,529 |
| HP | 221,557 | 324,345 | 466,867 | 626,285 |
Disaster Battle Occurrence
Disaster Battle is unlocked during Chapter 5. After it is unlocked, each chapter’s cleared Boss Battle increases the Disaster Battle Rate, with the Disaster Battle Boss appearing at 100%. Disaster Battle Rate does not increase when a boss appears.
Disaster Battle Time Limit
The time limit for a Disaster Battle is 60 minutes. If the boss is not defeated within the time limit, the Disaster Battle will result in failure.
Fighting in Disaster Battle
Disaster Battle Bosses each have unique abilities. Use different combinations of heroes to defeat bosses.
Notable Skills and Unique Abilities
- Absolute Power - Increases Attack-related stats by 30% when the Boss takes damage during the enemy’s turn. If 5 or more of these effects are applied, removes the Buffs, Deletes 1 hero skill, and completely fills the Ultimate Move Gauge.
- Increased damage taken from Humans by 30%.
- Increased damage dealt to Demons by 30%.
- Every 2 turns, casts a Shadow Aura that Decreases Attack-related stats of all enemies for 2 turns.
- Every 3 turns, casts a Strength Aura that Reflects damage taken for 2 turns and applies an effect that heals based on the reflected damage.
- Depletes ultimate move gauge
- Skill Use Increase - Number of skill uses increased by 2
- Skill Effects - Charge, Deplete Ultimate Move Gauge orbs, Spike, Rupture, Over-rupture, Weak Point
- Deadly Attack - Decreases all enemies’ Crit Resistance and Crit Defense by 30%.
- Crit Damage Increase - (Phase 1) Increases Crit Damage by 8% per Boss skill used. (Limit 10 times)
- Unstable Magic - (Phase 2) Applies an effect on the Boss which decreases Attack-related stats by 30% at the start of the battle for 2 turns.
