Damage conversion

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Revision as of 19:53, 21 January 2016 by >Adghar (Added alternative (short) explanation at front)
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Damage conversion is a type of modifier that changes one type of damage into another.

Summary of benefits

The main benefit of converted damage is allowing bonuses to multiple damage classes to stack. However, it does not allow 1 bonus to apply multiple times. This is because bonuses apply after conversion, but check for damage classes that the damage had before conversion.

For example, start with 100 base Physical damage. Then convert 100% physical to Lightning to Cold to Fire:

"10% increased elemental damage" 

will result in 110 fire damage. (If it was ever elemental damage, apply bonus)

"10% increased fire damage 10% increased lightning damage 10% increased cold damage" will result in 130 fire damage. (For each line, if it was ever x damage class, apply bonus)

Forms

Damage conversion is used by modifiers on skills, passive skills, equipment, and monsters. It comes in two main forms:
xx% of [Damage Type] Converted to [Damage Type]

For example the level 1 Module Error: No skills found with q_where = skill.active_skill_name="Cold to Fire" support gem has the modifier 50% of Cold Damage Converted to Fire Damage

xx% of [Damage Type] Added as [Damage Type]

For example the level 1 Module Error: No skills found with q_where = skill.active_skill_name="Poison Arrow" skill gem has the modifier Gain 30% of Physical Damage as extra Chaos Damage

The difference between these forms is the effect they have on the original damage. Converted to modifiers replace the original damage with the new damage, while Added as preserves the original damage, adding the new damage to the total. These two modifiers do not interfere with one another in any way.

Converted to

For this type of modifier, the original damage is replaced with the converted damage. The amount of any given damage type that can be converted in this way cannot exceed 100%. If the combined value of all Converted to modifiers for a given damage type is greater than 100%, the values are scaled so that the total is 100% (ref) . Conversion from skill gems takes priority over conversion from other sources (such as equipment), and is not scaled. For example:

  • A player is wielding a bow that deals 100 Physical Damage,
  • a BlackgleamBlackgleam
    Blazing Arrow Quiver    Requires Level 45Adds (12-15) to (24-27) Fire Damage to Attacks10% increased Attack Speed
    +(80-100) to Evasion Rating
    +(10-30) to maximum Mana
    50% of Physical Damage Converted to Fire Damage
    5 to 10 Added Fire Damage with Bow Attacks    Molten feathers, veiled spark,
    Hissing arrows from the dark.     quiver that has 50% of Physical Damage converted to Fire Damage,
  • and HrimsorrowHrimsorrow
    Goathide Gloves    Evasion: (72-92)Requires Level 9, 17 Dex+(20-30) to Strength
    +(40-50) to Evasion Rating
    +(20-30)% to Cold Resistance
    100% of Physical Damage Converted to Cold Damage
    Reflects 100 Cold Damage to Melee Attackers    Of ancient giants, none remain,
    Their only trace is timeless pain.     gloves that have 25% of Physical Damage converted to Cold Damage.
  • The player is using the skill Module Error: Too many skills found with q_where = skill.active_skill_name="Lightning Arrow". Please choose only one of the following ids:
    LightningArrowRoyale - 50% of Physical Damage Converted to Lightning Damage, (1-2) to (5-39) Added Lightning Damage, Hits up to 3 additional enemies near the target, Shocks Enemies as though dealing (100-145)% more Damage, (10-19)% increased Effect of Lightning Ailments (page)
    LightningArrow - 50% of Physical Damage Converted to Lightning Damage, (1-9) to (13-179) Added Lightning Damage, Hits up to 3 additional enemies near the target, Shocks Enemies as though dealing (100-290)% more Damage (page)    , which has 50% of Physical Damage converted to Lightning Damage
The total in this is example is 125% of Physical Damage, and must be scaled. Since it comes from a skill gem, Lightning Arrow's modifier takes priority and is not scaled. The other two are scaled evenly to convert the remaining 50% of physical damage.
50 * (50/75) = 33.33% Converted to Fire Damage by Blackgleam
25 * (50/75) = 16.67% Converted to Cold Damage by Hrimsorrow
In summary, the resulting converted damage would be 50 Lightning Damage, 33 Fire Damage, and 17 Cold Damage, and 0 Physical Damage, a total of 100 Damage.

Damage conversion is done before any increases, or multipliers are applied to damage guaranteeing that they are only applied once.

Damage conversion only flows in one direction between types, possibly skipping types, but never going in reverse:

Physical → Lightning → Cold → Fire → Chaos

Added as

This modifier does not replace the original damage, instead it takes a portion of the damage and adds it to the total as a different damage type. Damage added in this way can exceed 100% of the source damage type, and does not need to be scaled. For example:

  • A player is wielding a bow that deals 100 Physical Damage, and using a Blackgleam quiver, Hrimsorrow gloves, and Module Error: Too many skills found with q_where = skill.active_skill_name="Lightning Arrow". Please choose only one of the following ids:
    LightningArrowRoyale - 50% of Physical Damage Converted to Lightning Damage, (1-2) to (5-39) Added Lightning Damage, Hits up to 3 additional enemies near the target, Shocks Enemies as though dealing (100-145)% more Damage, (10-19)% increased Effect of Lightning Ailments (page)
    LightningArrow - 50% of Physical Damage Converted to Lightning Damage, (1-9) to (13-179) Added Lightning Damage, Hits up to 3 additional enemies near the target, Shocks Enemies as though dealing (100-290)% more Damage (page)    , as in the above example.
  • The Module Error: Too many skills found with q_where = skill.active_skill_name="Lightning Arrow". Please choose only one of the following ids:
    LightningArrowRoyale - 50% of Physical Damage Converted to Lightning Damage, (1-2) to (5-39) Added Lightning Damage, Hits up to 3 additional enemies near the target, Shocks Enemies as though dealing (100-145)% more Damage, (10-19)% increased Effect of Lightning Ailments (page)
    LightningArrow - 50% of Physical Damage Converted to Lightning Damage, (1-9) to (13-179) Added Lightning Damage, Hits up to 3 additional enemies near the target, Shocks Enemies as though dealing (100-290)% more Damage (page)     skill is supported by a level 1 Module Error: No skills found with q_where = skill.active_skill_name="Added Fire Damage" gem, which has 20% of Physical Damage Added as Fire Damage.
The result of the Converted to modifiers is the same as in the above example, the amounts are scaled to a total of 100% as normal. The Module Error: No skills found with q_where = skill.active_skill_name="Added Fire Damage" gem adds an additional 20% of the original Physical Damage as Fire Damage
In summary, the resulting converted damage would be 50 Lightning Damage, 53 Fire Damage, and 17 Cold Damage, and 0 Physical Damage, a total of 120 Damage.

Taken as

On the receiving side, damage may be taken as a different type. This is done before any sort of mitigation. It is important to note that this is not damage conversion,[1] as shifted part of damage does not retain its original damage property so it won't get mitigated either twice or by the more favorable method. For example, if some of the incoming damage is shifted to or from physical, the after-shift value is used in the armour calculation.

Sources

Skills

  • Skill gems:
    • Converted to: Burning Arrow, Frost Blades, Module Error: Too many skills found with q_where = skill.active_skill_name="Glacial Hammer". Please choose only one of the following ids:
      CityStalkerGlacialHammer - 10% chance to Freeze enemies, 50% of Physical Damage Converted to Cold Damage (page)
      GlacialHammerRoyale - 10% chance to Freeze enemies, 60% of Physical Damage Converted to Cold Damage, Every third successive strike Freezes enemies as though dealing (100-190)% more Damage, +(0.2-0.3) metres to Melee Strike Range, 35% increased Duration of Cold Ailments, (10-19)% increased Effect of Cold Ailments, Adds (3-20) to (4-30) Cold Damage against Chilled Enemies (page)      , Infernal Blow, Module Error: Too many skills found with q_where = skill.active_skill_name="Ice Crash". Please choose only one of the following ids:
      ExileIceCrash2 - (25-90)% increased Attack Speed, 50% of Physical Damage Converted to Cold Damage, 25% less Attack Speed, Melee Hits Fortify, Second Stage deals 25% less Damage, Third Stage deals 40% less Damage, Base radius is 1.1 metres, Base secondary radius is 2.1 metres, Base tertiary radius is 3.1 metres (page)
      IceCrashRoyale - 100% of Physical Damage Converted to Cold Damage, Second Stage deals 15% less Damage, Third Stage deals 30% less Damage (page)      , Ice Shot, Module Error: Too many skills found with q_where = skill.active_skill_name="Lightning Arrow". Please choose only one of the following ids:
      LightningArrowRoyale - 50% of Physical Damage Converted to Lightning Damage, (1-2) to (5-39) Added Lightning Damage, Hits up to 3 additional enemies near the target, Shocks Enemies as though dealing (100-145)% more Damage, (10-19)% increased Effect of Lightning Ailments (page)
      LightningArrow - 50% of Physical Damage Converted to Lightning Damage, (1-9) to (13-179) Added Lightning Damage, Hits up to 3 additional enemies near the target, Shocks Enemies as though dealing (100-290)% more Damage (page)      , Lightning Strike, Molten Strike, Static Strike, Module Error: Too many skills found with q_where = skill.active_skill_name="Wild Strike". Please choose only one of the following ids:
      WildStrikeRoyale - Projectiles Pierce all Targets, Beams Chain (4-5) Times, Fires +3 Projectiles, (0-9)% increased Area of Effect, 100% of Physical Damage Converted to Fire, Cold or Lightning Damage, +(0-0.1) metres to Melee Strike Range (page)
      WildStrike - Projectiles Pierce all Targets, Beams Chain (4-7) Times, Fires 3 Projectiles, (0-19)% increased Area of Effect, 100% of Physical Damage Converted to Fire, Cold or Lightning Damage (page)      , Module Error: Too many skills found with q_where = skill.active_skill_name="Blast Rain". Please choose only one of the following ids:
      AutonomousBlastRainTrap - Base duration is 12.00 seconds, Fires 4 additional Arrows, 50% of Physical Damage Converted to Fire Damage (page)
      BlastRainUltimatum - Deals (-50-20)% more Damage, 95% reduced Projectile Speed, Fires 4 additional Arrows, 50% of Physical Damage Converted to Fire Damage (page)      , Module Error: No skills found with q_where = skill.active_skill_name="Shrapnel Shot"
    • Added as: Hatred, Module Error: Too many skills found with q_where = skill.active_skill_name="Caustic Arrow". Please choose only one of the following ids:
      ExileCausticArrow - Deals (0.9-241.3) Base Chaos Damage per second, Base duration is 4.00 seconds, Modifiers to Projectile Damage apply to this Skill's Damage Over Time effect, Projectiles Return to you, Gain 25% of your Physical Damage as Extra Chaos Damage (page)
      MonsterCausticArrow - Deals (1.5-219.3) Base Chaos Damage per second, Base duration is (1.20-3.00) seconds, Modifiers to Projectile Damage apply to this Skill's Damage Over Time effect, Gain 34% of your Physical Damage as Extra Chaos Damage (page)      , Herald of Ash
  • Support Gems: Module Error: No skills found with q_where = skill.active_skill_name="Added Fire Damage", Module Error: No skills found with q_where = skill.active_skill_name="Cold to Fire", Module Error: No skills found with q_where = skill.active_skill_name="Physical to Lightning"

Items

Unique items which convert damage include:

  • Converted to lightning:
  • Physical to lightning
  • Converted to cold:
  • Physical to cold:
  • Lightning to cold
  • Converted to fire:
  • Physical to fire:
  • Cold to fire:
  • PyrePyre
    Sapphire Ring    Requires Level 11+(20-30)% to Cold Resistance+(25-35)% to Fire Resistance
    (60-80)% increased Burning Damage
    40% of Cold Damage Converted to Fire Damage
    10% increased Light Radius
    Ignited Enemies Killed by your Hits are destroyed    Let winter come. It will only make my fire burn brighter.
  • Converted to chaos:
  • Physical to chaos:
  • Lightning to chaos:
  • Voltaxic RiftVoltaxic Rift
    Spine Bow    Bow
    Physical Damage: 38-115
    Elemental Damage: 1 to (600-750)
    Critical Strike Chance: 6.50%
    Attacks per Second: (1.54-1.61)    Requires Level 64, 212 DexAdds 1 to (600-750) Lightning Damage
    (10-15)% increased Attack Speed
    100% of Lightning Damage Converted to Chaos Damage
    Your Chaos Damage can Shock
    Hits with this Weapon Shock Enemies as though dealing 300% more Damage
    +40% to Maximum Effect of Shock    The eldritch storm descended upon us, and bruised lightning
    rained down. Metal withered and flesh melted before its
    arcane power. There was no escape, no shelter. Only despair.
  • Fire to chaos:
  • Taken as:
  • Physical to lightning
  • Module Error: More than one result found for item using search term "item_name = Lightning Coil". Try using the page parameter instead
  • Physical to cold
  • Taste of HateTaste of Hate
    Sapphire Flask    Lasts 8.00 Seconds
    Consumes 20 of 50 Charges on use
    +40% to Cold Resistance
    +5% to Maximum ColdResistance    Requires Level 18(10-15)% of Physical Damage from Hits taken as Cold Damage during Effect
    Gain (10-15)% of Physical Damage as Extra Cold Damage during effect
    30% chance to Avoid being Chilled during Effect
    30% chance to Avoid being Frozen during Effect    A sip will freeze your lips,
    A swig will chill your heart,
    A glass will still your soul.    Right click to drink. Can only hold charges while in belt. Refills as you kill monsters.     (during flask effect)
  • Physical to fire:
  • Physical to chaos:
  • Fire to Physical:
  • Elemental to chaos:

Passives

The following passives convert damage or add damage as another type: Template:Passive table

Corruption

Corrupting a Quiver or Scepter has a chance to replace its implicit mod with

  • 10-20% of Physical damage converted to Cold Damage
  • 10-20% of Physical damage converted to Lightning Damage
  • 10-20% of Physical damage converted to Fire Damage

Interaction with other modifiers

Converted damage is affected by modifiers that apply to be both the original damage type it was converted from, and the new damage type that is was converted to. For example Fire Damage that is added by the Module Error: No skills found with q_where = skill.active_skill_name="Added Fire Damage" gem will be affected by both increased Physical Damage modifiers and increased Fire Damage modifiers.

Also, converted damage can itself be converted. For example:

  • A player is wielding a weapon that deals 100 Physical Damage,
  • the player is affected by a level 10 Hatred aura which has the modifier 30% of Physical Damage Added as Cold Damage,
  • the player is using an attack supported by a level 1 Module Error: No skills found with q_where = skill.active_skill_name="Cold to Fire" support gem, with the modifier 50% of Cold Damage Converted to Fire Damage
In this example 30% of the Physical Damage is added as Cold damage, and 50% of that Cold damage is converted to Fire. The resulting damage is therefore 100 Physical Damage, 15 Cold Damage, and 15 Fire Damage.
  • The Physical Damage was not the result of a conversion, and so is only affected by modifiers that affect Physical Damage, as normal
  • The Cold Damage will be affected by any mods that affect either Physical Damage or Cold Damage
  • The Fire Damage will be affected by any mods that affect Physical, Cold or Fire Damage

Example calculation

Imagine a player wielding a sword that deals 100 Physical Damage, and performs an attack with the following modifiers:

  • 50% of Physical Damage converted to Cold Damage from a skill gem
  • 30% of Physical Damage converted to Fire Damage from gear
  • 30% of Physical Damage converted to Lightning Damage from gear
  • 30% of Physical Damage Added as Fire Damage from a support gem
  • 15% of Physical Damage Added as Cold Damage from a support gem
  • 50% of Cold Damage converted to Fire Damage from a support gem
  • Adds 30 Cold Damage from a support gem
  • 30% more Physical Damage from a support gem
  • 70% more Weapon Elemental Damage from a support gem
  • 80% increased Physical Damage with Swords from passive skills
  • 30% increased Melee Physical Damage from Strength and passive skills
  • 20% increased Fire Damage from passive skills
  • 15% increased Cold Damage from passive skills

First off, there is more than 100% of physical damage conversion, so the values are scaled to total 100%. As a result, 50% of physical damage will become Cold Damage, 25% will become Fire Damage, and 25% will become Lightning Damage.

The Cold Damage

The amount of Cold damage that has been converted from Physical is 65 (50 Converted to, 15 Added as). 50% of the Cold Damage is Converted to Fire, leaving us with 32.5 remaining Cold Damage. This damage is affected by all Cold and Physical Damage modifiers:

80 + 30 + 15% = 125% increased damage
30% more damage
70% more damage
  • 32.5 * (1 + 0.8 + 0.3 + 0.15) * 1.3 * 1.7 = 161.6 Cold Damage

There is also 30 Cold Damage added by a support gem which was not the result of a conversion. 50% of this is Converted to Fire, and the remaining 15 is affected by all Cold Damage modifiers:

15% increased damage
70% more damage
  • 15 * (1 + 0.15) * 1.7 = 29.3 Cold Damage

The Lightning Damage

There is 25 Lightning Damage that was converted from Physical. This damage is affected by all Lightning and Physical Damage modifiers:

80 + 30 = 110% increased damage
30% more damage
70% more damage
  • 25 * (1 + 0.8 + 0.3) * 1.3 * 1.7 = 116.0 Lightning Damage

The Fire Damage

There is 55 Fire Damage that was converted from Physical. This damage is affected by all Fire and Physical Damage modifiers:

80 + 30 + 20 = 130% increased damage
30% more damage
70% more damage
  • 55 * (1 + 0.8 + 0.3 + 0.2) * 1.3 * 1.7 = 279.6 Fire Damage

There is also 32.5 Fire Damage that was converted from Cold that was converted from Physical. This damage is affected by all Fire, Cold, and Physical Damage modifiers:

80 + 30 + 20 + 15 = 145% increased damage
30% more damage
70% more damage
  • 32.5 * (1 + 0.8 + 0.3 + 0.2 + 0.15) * 1.3 * 1.7 = 176.0 Fire Damage

There is also 15 Fire Damage that was converted from Cold. This damage is affected by all Fire and Cold Damage modifiers:

20 + 15 = 35% increased damage
70% more damage
  • 15 * (1 + 0.2 + 0.15) * 1.7 = 34.4 Fire Damage

The Final Damage

In summary we have

29.3 Cold Damage
161.6 Cold Damage (from Physical)
116.0 Lightning Damage (from Physical)
279.6 Fire Damage (from Physical)
176.0 Fire Damage (from Cold, from Physical)
34.4 Fire Damage (from Cold)

For a total of 190.9 Cold, 490.0 Fire, and 116.0 Lightning Damage, a grand total of 796.9 damage.

References

  1. ↑ Mark_GGG (September 26, 2013). "Specifics on Lightning Coil mechanics?". Official Path of Exile Forums. Retrieved November 21, 2015.
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