Corrosion

**Corrosion**? is a damage type. It deals +50% damage to  Armor? and -25% damage to  Health? and  Shields?. Every hit has a percentage chance to inflict  **Decay**?, which decreases the affected target's  Movement Speed by -50% for 5 seconds. This has no effect on enemies taking actions, such as attacking, dodging or jumping.

Inflicting  **Decay**? on an enemy affected by  Burning? inflicts  Combustion?, dealing an extra 200% damage instantly to the target and 100% damage to other enemies in an 5 meter area, based on the hit that triggered it, once every 0.12 seconds per enemy. This effectively triples the damage of the triggering shot, at minimum. Enemies hit are also staggered. Damage is Fire/Corrosion element, dealing +50% total to Health/Armor, but -25% To Shields. The amount of damage is only changed by raising/lowering the damage of the hit, Combustion damage increases (such as  Pyrodominance level 3) or by having the ✦ *Element share*(full text) Gemini active with a Lightning weapon in the offhand.

Inflicting  **Decay**? on an enemy affected by  Shock? inflicts  Miasma?, which deals  True? damage equivalent to 9% of the enemy's maximum  Health? each second, lasting 5 seconds. Damage dealt drops to 0.75% maximum Health against elite enemies and 0.3% maximum Health against bosses. Damage will still hit  Shields? and  Armor? first, and is doubled when it does. Miasma can stack up to 9 times, each stack dealing its own damage. In Multiplayer, damage dealt divided by the number of players (9%, 4.5%, 3% and 2.25% against normal enemies, for example).

 Crown Prince can specifically increase Corrosion damage with  Acidominance.

## Sources of Corrosion damage

### Heroes

* Crown Prince:
	+ Energy Orb with  Energy Echo and a Corrosion damage weapon.
	+ Smoke Grenade
	+ Acidominance level 3 causes critical hits on each enemy (up to once every 3s) to create a toxic cloud equivalent to a Smoke Grenade.
	+ Acidic Explosion causes enemies hit by Smoke Grenade to release an explosion on death, equivalent to another Smoke Grenade.
	+ Elemental Orb when Corrosion element is selected.
* Zi Xiao:
	+ Perfect Deck granted randomly when consuming certain Astroaspects.
	+ Last Star level 2 and 3, granted randomly when consuming certain Astroaspects.
* Nona:
	+ Elemental Share with  Iron Wing and a Corrosion damage offhand weapon.

### Weapons

* Dual Fang every second shot, starting on the first.
* Aura of Venom
* Prism
* Talisman when Corrosion element is selected.
* Porcupine
* Sting
* Radioactive Gauntlet
* Poisonous Ghost

### Other Sources

* ● *50% Corrosion explosion on kill*(full text)
* A weapon with ◆ DMG type converts into Corrosion DMG.
* ◈ 80% chance to create a corrosion ball on a crit hit.
* Thorny Carapace
* Corrosion Conversion with a normal elemental weapon.
* Corrosion Conversion with a normal elemental weapon.

## Heroes Affecting Corrosion or Decay

* Crown Prince:
	+ Acidominance increases Corrosion damage by up to +120%.

## Scrolls Affecting Corrosion or Decay

* Corrosion Enthusiast inflicts Decay on self when inflicting Decay on enemies, decreasing damage taken by -20% and increases  Movement Speed by +40% while under Decay.
* Decay Driver increases Movement Speed by +20% when hitting an enemy under Decay or inflicting Decay.
* Realm of Corrosion inflicts Decay on all enemies in a large area.
* Corrosion Shard increases Corrosion damage by +25%, or +50% when under Decay. Additionally grants immunity to Decay.

## Other Effects on Corrosion or Decay

* All ascensions, scrolls, blessings and other effects that affect elemental damage, elemental effects or grant immunity to slowing effects.
* ● +50% total weapon DMG against enemies in Decay effect.
* ◆ +50% total weapon DMG against enemies in Decay effect is exclusive to  Melee Weapons.
* ✦ *Element share*(full text) allows the Decay chance of an offhand Corrosion weapon to be used when firing the main hand weapon.
* Copycat temporarily increases Corrosion damage by +50% (up to +150%) and guarantees Decay after killing a Corrosive enhanced enemy. Additionally the player is temporarily immune to Decay after killing a Resistive enhanced enemy.
* Painkiller causes Decay effects on yourself to increase  Movement Speed instead of decrease it. Additionally inflicting any elemental effect on an enemy also inflicts Decay.
* Copycat temporarily increases Corrosion damage by +50% and guarantees Decay after killing a Corrosive enhanced enemy. Additionally the player is temporarily immune to Decay after killing a Resistive enhanced enemy.
* Corrosive Touch increases the effect of Decay by +50%, and you take -50% damage from enemies affected by Decay.

## Update History

* 07/29/2022 update:
	+ Combustion now deals 100% damage to all other enemies within 5m, but has a 0.12s cooldown.
	+ Miasma no longer spreads the damage dealt. Damage type changed from Normal to True damage. Damage changed from 12%/1%/0.4% to 9%/0.75%/0.3%, doubled against Shielded/Armored enemies.