Infusion

Infusion collectively refers to the support gems:

• Chaos InfusionChaos InfusionAttack, Chaos
  Tier: 3
  Level: 1
  Cost & Reservation Multiplier: 120%Supports Attacks, causing them to Gain Chaos Damage but deal less Damage of other Types.Supported Attacks Gain 25% of Damage as extra Chaos Damage
  Supported Attacks deal 50% less non-Chaos DamagePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
• Cold InfusionCold InfusionAttack, Cold
  Tier: 1
  Level: 1Supports Attacks, causing them to Gain Cold Damage but deal less Fire and Lightning DamageSupported Attacks Gain 25% of Damage as extra Cold Damage
  Supported Attacks deal 50% less Fire and Lightning DamagePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
• Fire InfusionFire InfusionAttack, Fire
  Tier: 1
  Level: 1Supports Attacks, causing them to Gain Fire Damage but deal less Cold and Lightning DamageSupported Attacks Gain 25% of Damage as extra Fire Damage
  Supported Attacks deal 50% less Cold and Lightning DamagePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
• Lightning InfusionLightning InfusionAttack, Lightning
  Tier: 1
  Level: 1Supports Attacks, causing them to Gain Cold Damage but deal less Fire and Lightning DamageSupported Attacks Gain 25% of Damage as extra Lightning Damage
  Supported Attacks deal 50% less Cold and Fire DamagePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.

Each of them add damage of one damage type at the expense of others. They only support attack skills.

Version history

Version	Changes
0.1.0d	Fixed Infusion Support Gems on Herald skills applying the gain damage as extra elemental damage to all attacks instead of just the damage from the Herald skill
0.1.0	Introduced to the game.