Corrosion

About Status Effects
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Debuff resistance is lowered / HP is lowered on every turn

About Corrosion

Corrosion is a debuff that lowers enemy debuff resistance by 10% and HP by 20,000 every turn.

Sources

Characters

Icon	Name	Element	Source	Targets	Cooldown	Duration	Notes
	Robin Hood	00	Affliction ArrowGain Affliction ArrowHit to DEF / Hit to a foe's DEF and ATK (Stackable) after normal attacks / Toxicosis lvl rises by 1 / Lands a random debuff (Can't be removed) .	One foe	7 turns	2 turns	Selectable option from  Rapid NockingNock and draw a mystic arrow. (Skill effect changes based on the arrow selected.). One of 5 random debuffs. See Robin Hood#Rapid Nocking for more info.
	Ami	04	Azure TornadoInflict 10% Debuff Res. DownDebuff resistance is lowered Strength: 10%Base Accuracy: 100%Duration: 180 seconds, 25% ATK DownATK is lowered Strength: 25%Base Accuracy: 100%Duration: 180 seconds, 25% DEF DownDEF is lowered Strength: 25%Base Accuracy: 100%Duration: 180 seconds, 50% DA DownDouble attack rate is lowered Strength: 50%Base Accuracy: 100%Duration: 180 seconds, 50% TA DownTriple attack rate is lowered Strength: 50%Base Accuracy: 100%Duration: 180 seconds, Poisoned (10,000)HP is lowered on every turn Strength: 10,000Base Accuracy: 90%Duration: 180 seconds, Burned (10,000)HP is lowered on every turn Strength: 10,000Base Accuracy: 90%Duration: 180 seconds, and 30% BlindedAttacks have a slight chance to miss Strength: 30%Base Accuracy: 70%Duration: 180 seconds on all foes. After clearing 6th Fate Episode at Goumang's Yupei level 10: Also inflict 30% Accuracy LoweredAttacks and special attacks have a chance to miss Strength: 30%Base Accuracy: 70%Duration: 3 turnsLocal status effect, 20% Special Attack DMG LoweredFoe's special attack DMG is lowered Strength: 20%Base Accuracy: 70%Duration: 3 turnsLocal status effect. CharmedAttacks are slightly limited Strength: 30%Base Accuracy: 70%Duration: 3 turnsLocal status effect, and CorrosionDebuff resistance is lowered / HP is lowered on every turn Strength: 10% / 20,000Base Accuracy: 70%Duration: 3 turnsLocal status effect.	All foes	12 turns	3 turns
	Cupitan (Summer)	06	Marine Drops7-hit, 100% Dark damage to a foe (Damage cap: ~54,000 per hit). Inflict 5% Dark DEF Down (Stackable / Max: 30%)DEF is lowered for dark DMG (Stackable) Strength: 5% (Max: 30%)Base Accuracy: 100%Duration: 180 seconds and CorrosionDebuff resistance is lowered / HP is lowered on every turn Strength: 10% Debuff Res. Down / 20,000 turn-based DMGBase Accuracy: 100%Duration: 180 seconds. Gain 1 Iridescent ArrowConsumed upon using Cupitan's charge attack (Max: 7 / Can't be removed) Duration: Indefinite.	One foe	6 turns Lvl 55: 5 turns	180 sec	Chance to activate after charge attack and normal attacks. (Chance increases based on number of foes' debuffs.)
	Feower	02	Gammadion Cross2-hit, 300% Water damage to a foe (Damage cap: ~313,000 per hit). Inflict 1 random debuff. At level 55: Effect enhanced. At level 85: Also inflict 30% ATK DownATK is lowered Strength: 30%Base Accuracy: 100%Duration: 180 secondsStacking: Single and 30% DEF DownDEF is lowered Strength: 30%Base Accuracy: 100%Duration: 180 secondsStacking: Single. Now inflict 2 random debuffs.	One foe	5 turns	180 sec	Feower must be 5★. One of 9 random debuffs. See Feower#Gammadion Cross for more info.
	Feower (Holiday)	01	AvanatiInflict 10% ATK Down (Stackable / Max: 40%)ATK is lowered (Stackable) Strength: 10% (Max: 40%)Duration: 180 seconds, 10% DEF Down (Stackable / Max: 40%)DEF is lowered (Stackable) Strength: 10% (Max: 40%)Duration: 180 seconds, and 2 random debuffs on a foe.	One foe	5 turns	180 sec	One of 5 random debuffs. See Feower (Holiday)#Avanati for more info.
	Goblin Mage (SSR)	05	So Many Shinies!7-hit, 100% Light damage to random foes (Damage cap: ~90,000 per hit). Inflict 3 random debuffs on all foes. (Number of debuffs increases based on caster's SparklingMultiattack rate and skill specs are boosted based on lvl (Max: 3 / Can't be removed) lvl [Max: 6].)	All foes	8 turns Lvl 75: 7 turns	5 turns	One of 10 random debuffs. See Goblin Mage (SSR)#So Many Shinies! for more info.
	Helel ben Shalem (Holiday)	03	Shadow ShroudInflict 10% ATK Down (Stackable / Max: 30%)ATK is lowered (Stackable / Can't be removed) Strength: 10% (Max: 30%)Base Accuracy: 150%Duration: IndefiniteLocal status effect, 10% DEF Down (Stackable / Max: 30%)DEF is lowered (Stackable / Can't be removed) Strength: 10% (Max: 30%)Base Accuracy: 150%Duration: IndefiniteLocal status effect, and a random debuff on all foes.	All foes	7 turns Lvl 55: 6 turns	4 turns	One of 7 random debuffs. See Helel ben Shalem (Holiday)#Shadow Shroud for more info.
	Kurapika	01	Chains of Resolve3-hit, 200% Fire damage to a foe (Damage cap: ~290,000 per hit). Inflict 10% Fire DEF Down (Stackable / Max: 40%)DEF is lowered for fire DMG (Stackable) Strength: 10% (Max: 40%)Duration: 180 seconds and 2 random debuffs. Remove 1 buff. (While Scarlet EyesATK is boosted / DEF is sharply boosted / Deals triple attacks / Normal attack DMG is amplified / Attacks twice each turn / No charge bar gained upon normal attacks or counters / Can't use charge attack / 5% hit to max HP every turn (Can't be removed / Can't be extended) is in effect: Damage increased to 300% per hit. Damage cap increased to ~580,000 per hit. Cooldown ends at end of turn. Can recast once each turn it is cast.)	One foe	7 turns Lvl 75: 6 turns	180 sec	One of 6 random debuffs. See Kurapika#Chains of Resolve for more info.
	Magus (Summer)	06	Morere Conglaciato800% Dark damage to all foes (Damage cap: ~830,000). Inflict Putrefied (10,000)HP is lowered on every turn Strength: 10,000Duration: 180 seconds and CorrosionDebuff resistance is lowered / HP is lowered on every turn Strength: 10% Debuff Resistance Lowered / 20,000 HPDuration: 180 seconds. Raise all foes' ToxicosisHP is lowered on every turn based on Toxicosis lvl (Max: 10 / Can't be removed) Base Accuracy: Guaranteed to land if the foe does not have 100% debuff resistance (10,000% base accuracy)Duration: 180 seconds and GlaciateMultiattack rate is lowered based on lvl (Max: 10 / Can't be removed) Base Accuracy: Guaranteed to land if the foe does not have 100% debuff resistance (10,000% base accuracy)Duration: 180 seconds lvl by 1 (Max: 10). (When a foe has Dark EnsorcellmentATK, DEF, and accuracy are lowered (Can't be removed) Local status effect: Damage cap increased to ~1,200,000.)	All foes	7 turns Lvl 75: 6 turns	180 sec	Ends cooldown upon charge attack.
	Shao (SSR)	02	Five-Aggregate Pain300% Dark damage to all foes (Damage cap: ~635,000). Raise foes' ToxicosisHP is lowered on every turn based on Toxicosis lvl (Max: 10 / Can't be removed) Base Accuracy: Guaranteed to land if the foe does not have 100% debuff resistance (10,000% base accuracy)Duration: 180 seconds lvl by 1. Inflict 2 random debuffs.	One foe	7 turns Lvl 75: 6 turns	180 sec	One of 6 random debuffs. See Shao (SSR)#Five-Aggregate Pain for more info.
	Tefnut (Summer)	02	Leontopolis1250%Unworldly Water damage to a foe (Damage cap: ~2,900,000). Inflict DelayReduce a foe's filled charge diamonds by 1 and 2 random debuffs.	One foe	-	2 turns	One of 7 random debuffs. See Tefnut (Summer)#Leontopolis for more info.
	Yurius	04	Depleter500% Wind damage to a foe (Damage cap:~635.000). Inflict CorrosionDebuff resistance is lowered / HP is lowered on every turn Strength: 10% Debuff Resist Down / 20,000 HPDuration: 180 seconds. Restore caster's HP (Healing cap: 2000). (When foe has 10 or more debuffs: Activates twice.)	One foe	7 turns	180 sec

Summons

Icon	Name	Element	Source	Initial Cooldown	Cooldown	Duration	Notes
	Hades	06	Call800% Dark damage to all foes. Inflict SleepCan't attack and takes big DMG (Ends upon taking DMG) Duration: 180 secondsTakes 25% more damage and 2 random debuffs. All allies gain 20% Charge Bar Gain UpCharge bar gain is boosted Strength: 20%Duration: 3 turns.		9 turns At 4★: 7 turns	3 turns	Hades must be Transcendence Stage 2. One of 5 random debuffs. See Hades#Call - Law of Daiches for more info.