Yggdrasil Arbos Omega (Raid)

This article is about the Impossible Omega III raid. For the regular raid, see Yggdrasil (Raid). For the recruitable character, see Yggdrasil. For the Omega summon stone, see Yggdrasil Omega.

Raid

Grids

Guide

About Yggdrasil Arbos Omega

Unlock Requirements

• Clear the quest Godsworn Alexiel (Impossible) and the new raid battle will be added to Chapter 16 (49): Lumacie Archipelago - Nameless Ruins, Blackmoon Forest.
• You must be rank 151 or higher to play this quest. You won't receive backup requests for it if you're below rank 151.

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

Raid Battles

Impossible

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

Yggdrasil Arbos Omega (Impossible) Edit battle
Cost to Host: 50 AP, Earth Crystal ×1 Earth Quartz ×1	Cost to Join: Rank 151+, 3 EP	Unlock: Rank 151+, Clear Godsworn Alexiel (Impossible)
Participants: 18 Vice: 2nd-3rd	Elixirs: Unlimited	Strike Time: YesStrike Time bonus applies for this raid.
Location: Chapter 16 (49): Lumacie Archipelago - Nameless Ruins, Blackmoon Forest		Start QuestNetwork Errors will appear if the hosting conditions are not met. (AP, Host Materials, Daily Limit)
Lvl 200 Yggdrasil Arbos Omega Lv200 ユグドラシル・アルボスマグナ

Phase	Name	Lvl	HP	Charge	Mode
Phase 1	Yggdrasil Arbos Omega	200	1,085,900,000	◇◇	Yes
	67,500 ATKEstimated damage taken from a 67,500 ATK foe DEF Element Base ATK DownATK is lowered 25% ATK DownATK is lowered 50% 10 Advantage 5,063 3,797 2,531 10 Neutral 6,750 5,063 3,375 10 Disadvantage 10,125 7,594 5,063 12 DEFEstimated damage dealt to a 12 DEF foe Element BaseRelative to damage dealt to neutral element foes in Party setup DEF DownDEF is lowered 25% DEF DownDEF is lowered 50% Advantage 125% 166.67% 250% Neutral 83.33% 111.11% 166.67% Disadvantage 62.5% 83.33% 125% 0%All wind damage taken reduced by 0%.0%All plain damage taken reduced by 0%. DEF DownDEF is lowered Not immune〇ATK DownATK is lowered Not immune〇GravityMax charge diamonds are increased Immune✕DelayReduce a foe's filled charge diamonds by 1 Not immune〇Debuff Res. DownDebuff resistance is lowered Not immune〇Lethal HitInstant death for the victim. Immune✕PoisonedHP is lowered on every turn Not immune〇BurnedHP is lowered on every turn Not immune〇PutrefiedHP is lowered on every turn Not immune〇BlindedAttacks have a slight chance to miss Not immune〇CharmedAttacks are slightly limited Not immune〇ZombifiedReceives DMG if healed Immune✕SleepCan't attack and takes big DMG (Ends upon taking DMG) ImmuneTakes 25% more damage✕ParalyzedCan't attack Immune✕PetrifiedCharge diamonds don't fill up Immune✕StunnedCan't attack Immunity unknown？Accuracy LoweredAttacks and special attacks have a chance to miss Not immuneLocal status effect〇
	Special Attacks		Triggers and Notes
	Purgatio Luce TR 90% 65% 7-hit, 200% Earth damage to random allies. Skill Interval ChangedSkill cooldown increased Duration: 2 turns for all allies. Gains Dispel CancelBuffs can't be removed or shortened Duration: IndefiniteLocal status effect and DMG Mitigation (100,000)DMG taken is lowered by a fixed amount Strength: 100,000Duration: 2.5 turnsLocal status effectApplied during the attack phase. On the next turn, it'll have 2 turns remaining.. Breath of the Earth N OD 400% Earth damage to all allies. Inflicts 50% Charge CutInstantly reduces Charge Bar by 50% Strength: 50%. Gains ArmoredDMG taken is lowered Strength: 100% chance of taking 30% less damage.Duration: 2.5 turnsLocal status effectApplied during the attack phase. On the next turn, it'll have 2 turns remaining..		60% boost to Stormwyrm's weapon skills. Counts towards weapon skills that have a conditional boost amount. Normal attacks hit all allies. Triggered special attacks do not clear charge diamonds. Starts battle with Support SkillATK and DEF are boosted based on number of buffs / ATK and DEF are lowered based on number of debuffs (Can't be removed) Duration: Indefinite, Arbos EssentiaBased on lvl: ATK is boosted / DMG taken is cut / Chance of gaining 2 random buffs at end of turn (Can't be removed / Max: 10 / After being inflicted with debuffs 6 times within 1 turn: Lvl is lowered by 1 / Debuff 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. Arbos EssentiaBased on lvl: ATK is boosted / DMG taken is cut / Chance of gaining 2 random buffs at end of turn (Can't be removed / Max: 10 / After being inflicted with debuffs 6 times within 1 turn: Lvl is lowered by 1 / Debuff count is reset) 5% ATK UpATK is boosted Strength: 5% (Max: 50%) per lvl (Max: 50%). 5% DMG CutTaking less DMG Strength: 5% (Max: 50%)Local status effect per lvl (Max: 50%). Chance of gaining 2 random buffs at end of turn. 50% ATK UpATK is boosted Strength: 50%Duration: 3 turnsLocal status effect 50% DEF UpDEF is boosted Strength: 50%Duration: 3 turnsLocal status effect RefreshHP is restored on every turn Strength: 1,000,000Duration: 3 turnsLocal status effect UpliftedCharge diamonds fill more quickly Duration: 3 turnsLocal status effect TA UpTriple attack rate is boosted Duration: 3 turnsLocal status effect After being inflicted with debuffs 6 times within 1 turn: Arbos EssentiaBased on lvl: ATK is boosted / DMG taken is cut / Chance of gaining 2 random buffs at end of turn (Can't be removed / Max: 10 / After being inflicted with debuffs 6 times within 1 turn: Lvl is lowered by 1 / Debuff count is reset) lvl lowers by 1. Debuff count is reset. 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 lvl increases by 1. Gain ~190,000 honors. Support SkillATK and DEF are boosted based on number of buffs / ATK and DEF are lowered based on number of debuffs (Can't be removed) Gains 10% ATK UpATK is boosted Strength: 10% and 10% DEF UpDEF is boosted Strength: 10% per buff. (Support SkillATK and DEF are boosted based on number of buffs / ATK and DEF are lowered based on number of debuffs (Can't be removed) 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) don't count as a buff) Self-inflicts 5% ATK DownATK is lowered Strength: 5%Stacks additively with non-stackable ATK DownATK is lowered ATK DownATK is lowered Local status effectATK Down debuffs. and 5% DEF DownDEF is lowered Strength: 5% per debuff. Note that ATK UpATK is boosted and ATK DownATK is lowered stack multiplicatively, while DEF UpDEF is boosted and DEF DownDEF is lowered stack additively. Both have a final combined lower cap of -50%. 90% Trigger Casts Purgatio Luce. 65% Trigger Casts Purgatio Luce.
Phase 2	Yggdrasil Arbos Omega	200	434,360,000 (40%)	◇	Yes
	69,900 ATKEstimated damage taken from a 69,900 ATK foe DEF Element Base ATK DownATK is lowered 25% ATK DownATK is lowered 50% 10 Advantage 5,243 3,932 2,621 10 Neutral 6,990 5,243 3,495 10 Disadvantage 10,485 7,864 5,243 12 DEFEstimated damage dealt to a 12 DEF foe Element BaseRelative to damage dealt to neutral element foes in Party setup DEF DownDEF is lowered 25% DEF DownDEF is lowered 50% Advantage 125% 166.67% 250% Neutral 83.33% 111.11% 166.67% Disadvantage 62.5% 83.33% 125%
	Special Attacks		Triggers and Notes
	Luminox Prosperitatis TR 40% 20% 1800% Earth damge to all allies. Inflicts C.A. SealedCan't use charge attack Duration: 2.5 turnsApplied during the attack phase. On the next turn, it'll have 2 turns remaining.. Self-restores 2,000,000 HP and 1-turn cut to debuff duration. Gains Forest's Benevolence IDMG is supplemented based on number of buffs (Can only be removed by ending a turn with 9 or more debuffs on the foe) Duration: IndefiniteLocal status effect, Forest's Benevolence IIATK and DEF are sharply boosted based on number of buffs (Can only be removed by ending a turn with 12 or more debuffs on the foe) Duration: IndefiniteLocal status effect and Forest's Benevolence IIIElemental DMG taken is reduced from the 31st hit of each turn / Buffs can't be removed or shortened (Can only be removed by ending a turn with 15 or more debuffs on the foe) Duration: IndefiniteLocal status effect. Purgatio Luce TR 30% 7-hit, 300% Earth damage to random allies. Skill Interval ChangedSkill cooldown increased Duration: 2 turns for all allies. Gains Dispel CancelBuffs can't be removed or shortened Duration: IndefiniteLocal status effect and DMG Mitigation (100,000)DMG taken is lowered by a fixed amount Strength: 100,000Duration: 2.5 turnsLocal status effectApplied during the attack phase. On the next turn, it'll have 2 turns remaining.. Breath of the Earth N OD 400% Earth damage to all allies. Inflicts 100% Charge CutInstantly reduces Charge Bar by 100% Strength: 100% and StoneCan't attack and receives big DMG Duration: 1.5 turnsTakes 120% more damageApplied during the attack phase. On the next turn, it'll have 1 turn remaining.. Gains ArmoredDMG taken is lowered Strength: 100% chance of taking 30% less damage.Duration: 2.5 turnsLocal status effectApplied during the attack phase. On the next turn, it'll have 2 turns remaining.. Debuffs only inflicted on allies that take DMG.		Forest's Benevolence IDMG is supplemented based on number of buffs (Can only be removed by ending a turn with 9 or more debuffs on the foe) Duration: IndefiniteLocal status effect Supplemental DMG (1,000)DMG dealt is supplemented Strength: 1,000Local status effect per buff. REMOVEThis buff can only be removed when the following condition is met.End a turn with at least 9 debuffs Forest's Benevolence IIATK and DEF are sharply boosted based on number of buffs (Can only be removed by ending a turn with 12 or more debuffs on the foe) Duration: IndefiniteLocal status effect Additional 10% ATK UpATK is boosted Strength: 10% and 10% DEF UpDEF is boosted Strength: 10% per buff. REMOVEThis buff can only be removed when the following condition is met.End a turn with at least 12 debuffs Forest's Benevolence IIIElemental DMG taken is reduced from the 31st hit of each turn / Buffs can't be removed or shortened (Can only be removed by ending a turn with 15 or more debuffs on the foe) Duration: IndefiniteLocal status effect DMG FixedDMG taken is capped (Can't be removed) Strength: 100,000 after 30 hits and Dispel CancelBuffs can't be removed or shortened (Can't be removed) . REMOVEThis buff can only be removed when the following condition is met.End a turn with at least 15 debuffs 40% Trigger Removes all debuffs on Yggdrasil Arbos Omega. Mode Bar is reset. Casts Luminox Prosperitatis. 30% Trigger Casts Purgatio Luce. 20% Trigger Casts Luminox Prosperitatis.
N - Normal, OD - Overdrive, TR - Trigger

Rewards
First clear: Crystal ×50
Host: Prestige Pendant ×50		Join: Prestige Pendant ×35	Crew: Prestige Pendant ×35

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.  Arbos 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.  Luteus 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.  Earth 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 Earth 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.  Earth 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.  Arbos 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.  Arbos 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.  Yggdrasil 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.  Yggdrasil 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.  Genesis Bud
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.
Arbos Anima	Archangel itemRandom SR Archangel Weapon or Queen ×4  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.  Yggdrasil 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 Yggdrasil Crystal Blade Omega Yggdrasil Bow Omega Yggdrasil Dagger Omega Yggdrasil Dewbranch Omega  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 Yggdrasil Crystal Blade Arbos Yggdrasil Bark Bracer Arbos Yggdrasil Dewdrop Harp Arbos 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.  Arbos 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.  Arbos 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 Earth 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 Yggdrasil Crystal Blade Arbos Yggdrasil Bark Bracer Arbos Yggdrasil Dewdrop Harp Arbos 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.  Arbos 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.  Arbos 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 Earth 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 Yggdrasil Crystal Blade Arbos Yggdrasil Bark Bracer Arbos Yggdrasil Dewdrop Harp Arbos 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.  Arbos 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.  Arbos 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 Earth 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 Yggdrasil Crystal Blade Arbos Yggdrasil Bark Bracer Arbos Yggdrasil Dewdrop Harp Arbos 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.  Arbos 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.  Arbos 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 Earth 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
This raid is eligible for bonus loot chests during Extra Drops events. See Purple Chests for additional information.
Drop rates from the otokuro2 spreadsheets. Please check the source spreadsheets for up to date numbers. Drop table last updated: 2026-07-03, all stated drop rates are estimates. The game changes over time. If the drop tables become incorrect please notify the wiki staff.