This article is about the raid. For the summon stone, see Proto Bahamut. For the SSR summon stone, see Bahamut.
In response to an earnest plea, the dragon breaks its shackles. Its cry resonates across the sky, and strikes awe into the hearts of all who hear it.

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Raid Battles
Proto Bahamut is one of two Rank 80 raids. It is summoned from the northern Zinkenstill area, Azure Sky Sanctum. This raid is a primary source of Horn of Bahamut and Rusted Weapons, both used to craft Bahamut Weapons. You can summon Proto Bahamut at rank 80 and join at Rank 50. In order to summon Proto Bahamut, you must combine one True Anima of each element to create a Star Sand Scoop at the shop. You might also need to complete the Omega showdowns of Luminiera and Celeste to trigger its appearance.
Phase 
Name 
Lvl 
HP 
Charge 
Mode 
Phase 1  Proto Bahamut 
100 
240,000,000 
◇◇◇ 
Yes 
Special Attacks 
Triggers and Notes 
 Inflicts Ragnarok FieldHP is lowered on every turn (Varies by number of raid participants.)
.
 Small Dark attack to all allies. Inflicts 2 random status effects.
 Random element multihit attack to all allies.

 Casts Ragnarok Field.
 Moves to Phase 2.
 Ragnarok FieldHP is lowered on every turn (Varies by number of raid participants.)
inflicts damage per turn based on the number of players in the raid. More players gives less damage.

Phase 2  Proto Bahamut 
100 
120,000,000 
◇◇◇ 
Yes 
Special Attacks 
Triggers and Notes 
 2000 Dark damage to all allies. Gains a random 99% Elemental Resistance (99% Fire CutFire DMG is cut 99%
Fire Damage Cut.99% Water CutWater DMG is cut 99% Water Damage Cut.99% Earth CutEarth DMG is cut 99% Earth Damage Cut.99% Wind CutWind DMG is cut 99% Wind Damage Cut.99% Light CutLight DMG is cut 99% Light Damage Cut.99% Dark CutDark DMG is cut 99% Dark Damage Cut.) and either ATK UpATK is boosted or DEF UpDEF is boosted .
 Random element multihit damage to all allies.
 999,999 Dark damage to all allies.

 Casts Skyfall.
 Casts Skyfall. Dispels all debuffs on self.
 Attack is heavily increased.
 Double Attack Rate is heavily increased.

N  Normal, OD  Overdrive, TR  Trigger 
Phase 
Name 
Lvl 
HP 
Charge 
Mode 
Dark  Proto Bahamut 
150 
1,200,000,000 (100%) 
◇◇◇ 
Yes 
Special Attacks 
Triggers and Notes 
 Small Random element multihit attack to all allies.

 Fills all charge diamonds.
 Proto Bahamut unleashes fiery power!Proto Bahamut moves to Fire phase.

Fire  Proto Bahamut 
150 
1,080,000,000 (90%) 
◇◇◇ 
Yes 
Special Attacks 
Triggers and Notes 
 ~5000 Fire damage to all allies.
 Inflict BurnedHP is lowered on every turn
.
 Small Fire damage to all allies.
 Inflicts Skill SealedCan't use skills
Duration: 5.5 turnsApplied during the attack phase. On the next turn, it'll have 5 turns remaining..
 Inflicts a set of 3 randomly selected debuffs on all allies.
 Can inflict the same debuff multiple times.
 Possible debuffs include BurnedHP is lowered on every turn
, Skill SealedCan't use skills , Fire DEF DownDEF is lowered for fire DMG , DA DownDouble attack rate is lowered and Fire WedgedATK is absorbed by fire allies, and fire allies' ATK is ineffective

 Fills all charge diamonds.
 Proto Bahamut unleashes aquatic power!Proto Bahamut moves to Water phase.

Water  Proto Bahamut 
150 
960,000,000 (80%) 
◇◇◇ 
Yes 
Special Attacks 
Triggers and Notes 
 ~4000 Water damage to all allies.
 Inflicts GlaciateATK, DEF, and multiattack rate is lowered / HP is lowered on every turn (Same effect will be spread to an ally when the character uses a skill / Spread effect ignores debuff immunity)
Duration: 5 turns
 Small Water damage to all allies
 Inflicts SleepCan't attack and takes big DMG (Ends upon taking DMG)
Duration: 6 or 7 turnsTakes 25% more damage.
 Inflicts a set of 3 randomly selected debuffs on all allies.
 Can inflict the same debuff multiple times.
 Possible debuffs include ParalysisCan't attack
, PoisonedHP is lowered on every turn , DA DownDouble attack rate is lowered , SleepCan't attack and takes big DMG (Ends upon taking DMG) Takes 25% more damage and Azure SpikeATK is absorbed by water allies, and water allies' ATK is ineffective .

 Immune to GravitySpecial attack max charge turn is extended
.
 GlaciateATK, DEF, and multiattack rate is lowered / HP is lowered on every turn (Same effect will be spread to an ally when the character uses a skill / Spread effect ignores debuff immunity)
 ~250 Plain damage per turn, ATK/DEF/DA/TA Down, spreads on skill use.
 Fills all charge diamonds.
 Proto Bahamut unleashes earthen power!Proto Bahamut moves to Earth phase.

Earth  Proto Bahamut 
150 
840,000,000 (70%) 
◇◇◇ 
Yes 
Special Attacks 
Triggers and Notes 
 Small Earth damage to all allies. Chance to inflict StoneCan't attack and receives big DMG
Takes 120% more damage on all allies.
 ~20,000 Earth damage to one ally.
 ~40,000 Earth damage to one ally.
 Inflicts a set of 3 randomly selected debuffs on all allies.
 Can inflict the same debuff multiple times.
 Possible debuffs include Halberd of EarthATK is absorbed by earth allies, and earth allies' ATK is ineffective
, DEF DownDEF is lowered and ConfusedAllies can be targeted (Substitute and Counter are ineffective) .

 No longer immune to GravitySpecial attack max charge turn is extended
.
 60% Trigger
 Fills all charge diamonds.
 Proto Bahamut unleashes aerial power!Proto Bahamut moves to Wind phase.

Wind  Proto Bahamut 
150 
720,000,000 (60%) 
◇◇◇ 
Yes 
Special Attacks 
Triggers and Notes 
 All allies' HP values are set to 1.
 ~10 hits of 1000 Wind damage to random allies. Removes all buffs on all allies.
 Inflicts a set of 3 randomly selected debuffs on all allies.
 Can inflict the same debuff multiple times.
 Possible debuffs include CursedCan't be healed
, Fire ATK DownFire ATK is lowered and Wind DEF DownDEF is lowered for wind DMG .

 Immune to GravitySpecial attack max charge turn is extended
.
 50% Trigger
 Fills all charge diamonds.
 Proto Bahamut breaks its bonds!Proto Bahamut moves to Dark phase.

Dark  Proto Bahamut 
150 
600,000,000 (50%) 
◇◇ 
Yes 
Special Attacks 
Triggers and Notes 
 9999 static Dark damage to all allies. Proto Bahamut gains DA UpDouble attack rate is boosted
Duration: 3 turnsLocal status effect and TA UpTriple attack rate is boosted Duration: 3 turnsLocal status effect.
 60 hits of random element damage to random allies.
 4hit Plain damage to random allies based on 55% of max HP.

 No longer immune to GravitySpecial attack max charge turn is extended
.
 25% Trigger
 Fills all charge diamonds.
 Proto Bahamut unleashes its true power!Proto Bahamut moves to Final phase.

Final  Proto Bahamut 
150 
300,000,000 (25%) 
◇ 
Yes 
Special Attacks 
Triggers and Notes 
 Plain damage to all allies based on 95% of max HP.
 80Verification needed. hits of 1250 random element damage to random allies.
 9,999,999 Dark damage to all allies.
 Light of the Apocalypse OD 1%－
 99,999,999 Plain damage to all allies.

 Casts Supernova.
 Base charge diamonds change to ◇◇◇◇◇.

N  Normal, OD  Overdrive, TR  Trigger 
Chest 1 
Chest 2 
Chest 3 
 
 
 
 11.111.14% ±1.24% chance to be selected when chest drops.
Based on 193 drops from 1733 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Horn of Bahamut  71.571.49% ±1.78% chance to be selected when chest drops.
Based on 1239 drops from 1733 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Primeval Horn ×1  13.413.39% ±1.35% chance to be selected when chest drops.
Based on 232 drops from 1733 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Primeval Horn ×2  4.03.98% ±0.77% chance to be selected when chest drops.
Based on 69 drops from 1733 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Primeval Horn ×3



Chest 4 
Chest 5 
Blue 
 
 
50% / 25%50% of total honor is required to maximize the drop rate (25%) of the blue chest. 
 99.399.28% ±0.20% chance to be selected when chest drops.
Based on 4943 drops from 4979 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. True Anima  0.30.28% ±0.12% chance to be selected when chest drops.
Based on 14 drops from 4979 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Bahamut Shield  0.40.44% ±0.15% chance to be selected when chest drops.
Based on 22 drops from 4979 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Bahamut Mino


 72.272.24% ±1.41% chance to be selected when chest drops.
Based on 1970 drops from 2727 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Coronation Ring  18.318.34% ±1.22% chance to be selected when chest drops.
Based on 500 drops from 2727 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Lineage Ring  7.27.15% ±0.81% chance to be selected when chest drops.
Based on 195 drops from 2727 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Intricacy Ring  2.32.27% ±0.47% chance to be selected when chest drops.
Based on 62 drops from 2727 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Gold Brick

Host 
MVP 
Share 
 75.175.07% ±1.94% chance to be selected when chest drops.
Based on 1009 drops from 1344 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Primeval Horn ×1  22.322.32% ±1.87% chance to be selected when chest drops.
Based on 300 drops from 1344 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Primeval Horn ×2  2.62.60% ±0.71% chance to be selected when chest drops.
Based on 35 drops from 1344 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Gold Brick
  89.889.78% ±1.07% chance to be selected when chest drops.
Based on 1942 drops from 2163 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Primeval Horn  10.210.22% ±1.07% chance to be selected when chest drops.
Based on 221 drops from 2163 chests. Confidence intervals are assuming an approximately normal distribution at 90% confidence. Soul Balm


Based on @otokuro2 drop reports Source. Drop table last updated: 20230829, all stated drop rates are estimates. The game changes over time. If the drop tables become incorrect please notify the wiki staff. 
Blue Chest Scaling
The Blue Chest drop rates for this raid are not calculated linearly like other Raids and follow a different plot. For Gold Brick farming, 12.5% of the honors (around 1.5 million honours) in PBHL is enough to be equal to or slightly higher than Grand Order (Impossible) and Akasha's drop rate.^{[1]}
Resources


Standard Raids 

Omega  

Tier 2 Summons  

 

Primarchs  

Ultimate  


Impossible Raids 

Omega HL  

Regalia  

Ennead  

Malice & Menace  

 

Omega Rebirth  

Six Dragons  

 

 

Revans  

Super Ultimate  

 

