This article is about the Impossible Omega III raid. For the regular raid, see Colossus (Raid). For the recruitable character, see Colossus. For the Omega summon stone, see Colossus Omega.
About Colossus Ira Omega
Unlock Requirements

Need help? Check out the Guide and Grids pages for a fight breakdown and example teams!

Raid Battles

CAUTION: Enemies take 90% reduced damage from elements other than Water in these battles.

Phase 
Name 
Lvl 
HP 
Charge 
Mode 
Phase 1  Colossus Ira Omega 
200 
1,013,000,000 (100%) 
◇◇◇ 
Yes 
Special Attacks 
Triggers and Notes 
 Resolute Reactor Ira OD TR 70%
 Targets: Random allies
Deals: Fire DMG (6hit / 300%) Effect: Burned (5000)HP is lowered on every turn Strength: 5000Duration: 2.5 turnsApplied during the attack phase. On the next turn, it'll have 2 turns remaining. / Fire DEF DownDEF is lowered for fire DMG Duration: 2.5 turnsApplied during the attack phase. On the next turn, it'll have 2 turns remaining. / Water ATK DownWater ATK is lowered Duration: 2.5 turnsApplied during the attack phase. On the next turn, it'll have 2 turns remaining. (All allies)
 Targets: All allies
Deals: Fire DMG Effect: Strong ArmedCan't be healed Duration: 2.5 turnsApplied during the attack phase. On the next turn, it'll have 2 turns remaining. (All allies) / UpliftedCharge diamonds fill more quickly Duration: 2.5 turnsLocal status effectApplied during the attack phase. On the next turn, it'll have 2 turns remaining. (Self)

 60% boost to Oceansoul's weapon skills.
 Normal attacks hit all allies.
 Triggered special attacks do not clear charge diamonds.
 Starts battle with Support SkillFrostbane effect to self upon the chain burst Absolute Zero (Can't be removed)
Duration: Indefinite, Ira EssentiaBased on lvl: ATK is boosted / DMG taken is cut / Reduce skill DMG taken (Can't be removed / Max: 10 / After taking 4 or more hits of 2,000,000 DMG within 1 turn: Lvl is lowered by 1 / Hit count is reset) Duration: Indefinite, and Conditional LootDrop rate for conditional loot is boosted based on lvl (Can't be removed / Max: 10 / Lvl rises by 1 each time Essentia lvl is lowered) Duration: Indefinite.
 Lowering Ira EssentiaBased on lvl: ATK is boosted / DMG taken is cut / Reduce skill DMG taken (Can't be removed / Max: 10 / After taking 4 or more hits of 2,000,000 DMG within 1 turn: Lvl is lowered by 1 / Hit count is reset)
lvl raises Conditional LootDrop rate for conditional loot is boosted based on lvl (Can't be removed / Max: 10 / Lvl rises by 1 each time Essentia lvl is lowered) lvl and contributes to honor gains.
 Support SkillFrostbane effect to self upon the chain burst Absolute Zero (Can't be removed)
Duration: Indefinite
 FrostbaneFoe's DMG taken is amplified (Can't be removed)
Duration: 1 turn Local status effect effect to self upon the chain burst Absolute Zero.
 Casts Resolute Reactor Ira.
 Mode Bar is reset.
 Moves to Phase 2

Phase 2  Colossus Ira Omega 
200 
405,200,000 (40%) 
◇◇◇ 
Yes 
Special Attacks 
Triggers and Notes 
 Resolute Reactor Ira N OD TR 30%
 Targets: Random allies
Deals: Fire DMG (6hit / 300%) Effect: Burned (10000)HP is lowered on every turn Strength: 10000Duration: 2.5 turnsApplied during the attack phase. On the next turn, it'll have 2 turns remaining. / Fire DEF DownDEF is lowered for fire DMG Duration: 2.5 turnsApplied during the attack phase. On the next turn, it'll have 2 turns remaining. / Water ATK DownWater ATK is lowered Duration: 2.5 turnsApplied during the attack phase. On the next turn, it'll have 2 turns remaining. (All allies)
 Dimensional Cleave: Extirpation TR 40% 20% 10% 5%
 Targets: All allies
Deals: Fire DMG (2000% / Ignores boosts to DEF) Effect: All Buff Effects Removed (All allies)
 Effect: Flames of WrathATK is boosted / Next Dimensional Cleave: Extirpation has boosted DMG, ignores 'all elemental DMG cut,'and can't miss (Can't be removed / Consumed upon activating Dimensional Cleave: Extirpation)
Duration: Indefinite / DEF DownDEF is lowered (Can't be removed) Duration: IndefiniteLocal status effect (Self) Performs a normal attack immediately after. Will not be cast if DEF DownDEF is lowered (Can't be removed) Duration: IndefiniteLocal status effect is already active.

 Flames of WrathATK is boosted / Next Dimensional Cleave: Extirpation has boosted DMG, ignores 'all elemental DMG cut,'and can't miss (Can't be removed / Consumed upon activating Dimensional Cleave: Extirpation)
Duration: Indefinite
 If Flames of WrathATK is boosted / Next Dimensional Cleave: Extirpation has boosted DMG, ignores 'all elemental DMG cut,'and can't miss (Can't be removed / Consumed upon activating Dimensional Cleave: Extirpation)
Duration: Indefinite is active when Dimensional Cleave: Extirpation is cast, all further Dimensional Cleave: Extirpation triggers are cancelled.
 Casts Dimensional Cleave: Extirpation.
 Casts Resolute Reactor Ira.
 Casts Dimensional Cleave: Extirpation.
 Casts Dimensional Cleave: Extirpation.
 Casts Dimensional Cleave: Extirpation.

N  Normal, OD  Overdrive, TR  Trigger 
Chest 1 
Chest 2 
Chest 3 
100% 
100% 
100% 
 100.0100.00% ±0.00% chance to be selected when chest drops.
Based on 946 drops from 946 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Immortal Fragment

 29.929.94% ±2.15% chance to be selected when chest drops.
Based on 368 drops from 1229 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Ira Anima  15.615.62% ±1.70% chance to be selected when chest drops.
Based on 192 drops from 1229 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Rubeus Centrum  16.016.03% ±1.72% chance to be selected when chest drops.
Based on 197 drops from 1229 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Fire Urn  33.433.44% ±2.21% chance to be selected when chest drops.
Based on 411 drops from 1229 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. True Fire Anima  5.04.96% ±1.02% chance to be selected when chest drops.
Based on 61 drops from 1229 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Fire Quartz ×3

 15.615.61% ±1.70% chance to be selected when chest drops.
Based on 192 drops from 1230 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Ira Anima  10.410.41% ±1.43% chance to be selected when chest drops.
Based on 128 drops from 1230 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Ira Anima ×2  31.731.71% ±2.18% chance to be selected when chest drops.
Based on 390 drops from 1230 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Colossus Omega Anima  4.84.80% ±1.00% chance to be selected when chest drops.
Based on 59 drops from 1230 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Colossus Omega Anima ×2  5.25.20% ±1.04% chance to be selected when chest drops.
Based on 64 drops from 1230 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Omega Fragment  4.84.80% ±1.00% chance to be selected when chest drops.
Based on 59 drops from 1230 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Genesis Fragment  27.627.56% ±2.10% chance to be selected when chest drops.
Based on 339 drops from 1230 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Resolute Reactor

Chest 4 
Chest 5 
Blue 
100% 
50?% 
9.72% (~1,249,895)9.72% of total honor is required to guarantee a blue chest. Based on HP alone a minimum 1,055,495 honor is required to guarantee a blue chest. Typically 1,249,895 honor should be enough to guarantee a blue chest under normal circumstances. 
 100.0100.00% ±0.00% chance to be selected when chest drops.
Based on 944 drops from 944 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Archangel itemRandom SR Archangel Weapon or Queen

 93.093.02% ±0.91% chance to be selected when chest drops.
Based on 1959 drops from 2106 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Archangel itemRandom SR Archangel Weapon or Queen  1.41.38% ±0.42% chance to be selected when chest drops.
Based on 29 drops from 2106 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Colossus Omega  5.65.56% ±0.82% chance to be selected when chest drops.
Based on 117 drops from 2106 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Omega Weapons  0.00.05% ±0.08% chance to be selected when chest drops.
Based on 1 drops from 2106 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Eternity Sand

 2.92.89% ±0.56% chance to be selected when chest drops.
Based on 70 drops from 2418 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Rebirth Weapons  55.555.54% ±1.66% chance to be selected when chest drops.
Based on 1343 drops from 2418 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Ira Anima  1.01.03% ±0.34% chance to be selected when chest drops.
Based on 25 drops from 2418 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Ira Omega Anima  7.47.44% ±0.88% chance to be selected when chest drops.
Based on 180 drops from 2418 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Supreme Merit  3.33.35% ±0.60% chance to be selected when chest drops.
Based on 81 drops from 2418 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Legendary Merit  26.626.63% ±1.48% chance to be selected when chest drops.
Based on 644 drops from 2418 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. True Fire Anima  2.42.40% ±0.51% chance to be selected when chest drops.
Based on 58 drops from 2418 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Weapon Plus Mark  0.60.62% ±0.26% chance to be selected when chest drops.
Based on 15 drops from 2418 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Weapon Plus Mark ×2  0.10.08% ±0.10% chance to be selected when chest drops.
Based on 2 drops from 2418 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Weapon Plus Mark ×3

Host 
MVP 
Conditional 
 5.65.61% ±1.69% chance to be selected when chest drops.
Based on 28 drops from 499 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Rebirth Weapons  51.351.30% ±3.68% chance to be selected when chest drops.
Based on 256 drops from 499 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Ira Anima  13.613.63% ±2.53% chance to be selected when chest drops.
Based on 68 drops from 499 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Ira Omega Anima  2.02.00% ±1.03% chance to be selected when chest drops.
Based on 10 drops from 499 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Legendary Merit  21.221.24% ±3.01% chance to be selected when chest drops.
Based on 106 drops from 499 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. True Fire Anima ×2  3.63.61% ±1.37% chance to be selected when chest drops.
Based on 18 drops from 499 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Weapon Plus Mark  1.61.60% ±0.92% chance to be selected when chest drops.
Based on 8 drops from 499 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Weapon Plus Mark ×2  1.01.00% ±0.73% chance to be selected when chest drops.
Based on 5 drops from 499 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Weapon Plus Mark ×3
  3.23.20% ±0.84% chance to be selected when chest drops.
Based on 38 drops from 1187 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Rebirth Weapons  38.138.08% ±2.32% chance to be selected when chest drops.
Based on 452 drops from 1187 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Ira Anima  1.21.18% ±0.52% chance to be selected when chest drops.
Based on 14 drops from 1187 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Ira Omega Anima  8.18.09% ±1.30% chance to be selected when chest drops.
Based on 96 drops from 1187 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Supreme Merit  2.92.95% ±0.81% chance to be selected when chest drops.
Based on 35 drops from 1187 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Legendary Merit  9.39.27% ±1.38% chance to be selected when chest drops.
Based on 110 drops from 1187 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Soul Balm  29.829.82% ±2.18% chance to be selected when chest drops.
Based on 354 drops from 1187 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. True Fire Anima  4.54.47% ±0.99% chance to be selected when chest drops.
Based on 53 drops from 1187 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Weapon Plus Mark  2.42.36% ±0.72% chance to be selected when chest drops.
Based on 28 drops from 1187 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Weapon Plus Mark ×2  0.60.59% ±0.37% chance to be selected when chest drops.
Based on 7 drops from 1187 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Weapon Plus Mark ×3

 2.52.53% ±0.50% chance to be selected when chest drops.
Based on 68 drops from 2692 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Rebirth Weapons  55.255.24% ±1.58% chance to be selected when chest drops.
Based on 1487 drops from 2692 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Ira Anima  0.60.63% ±0.25% chance to be selected when chest drops.
Based on 17 drops from 2692 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Ira Omega Anima  8.48.40% ±0.88% chance to be selected when chest drops.
Based on 226 drops from 2692 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Supreme Merit  3.63.57% ±0.59% chance to be selected when chest drops.
Based on 96 drops from 2692 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Legendary Merit  27.227.15% ±1.41% chance to be selected when chest drops.
Based on 731 drops from 2692 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. True Fire Anima  1.91.93% ±0.44% chance to be selected when chest drops.
Based on 52 drops from 2692 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Weapon Plus Mark  0.60.56% ±0.24% chance to be selected when chest drops.
Based on 15 drops from 2692 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Weapon Plus Mark ×2  0.00.00% ±0.00% chance to be selected when chest drops.
Based on 0 drops from 2692 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Weapon Plus Mark ×3

Drop rates from the otokuro2 spreadsheets. Please check the source spreadsheets for up to date numbers. Drop table last updated: 20240624, all stated drop rates are estimates. The game changes over time. If the drop tables become incorrect please notify the wiki staff. 
Voice Lines
Resources


Standard Raids 

Omega  

Tier 2 Summons  

 

Primarchs  

Ultimate  


Impossible Raids 

Omega HL  

Regalia  

Ennead  

Malice & Menace  

 

Omega Rebirth  

Six Dragons  

 

 

Revans  

Super Ultimate  

 


References