The following support gems are recommendations by GGG as listed in-game, and do not necessarily reflect optimal combinations or the views of the wiki.
Gem tier
Support gems
I
AccelerationAccelerationProjectile Tier: 1 Level: 1 Cost & Reservation Multiplier: 120%Supports Projectile Skills, making those Projectiles travel faster.Supported Skills have 40% more Projectile SpeedPlace 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.
IgnitionIgnitionFire Tier: 1 Level: 1 Cost & Reservation Multiplier: 120%Supports any skill that Hits enemies, making it more likely to Ignite.Supported Skills have 100% more chance to IgnitePlace 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.
II
Fiery DeathFiery DeathSpell, Fire Tier: 2 Level: 1 Cost & Reservation Multiplier: 120%Supports any skill that Hits enemies, causing enemies it Ignites to have a chance to explode on death.Enemies Ignited by Supported Skills have 60% chance to explode on death Explosion deals base Fire Damage equal to 10% of the Corpse's Maximum LifePlace 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.
LongshotLongshotAttack Tier: 2 Level: 1 Cost & Reservation Multiplier: 120%Supports Attacks, causing them to deal more damage from farther away.Supported Skills deal 35% more Attack Damage to enemies further than 7 metres from you, scaling down to no bonus at 3.5 metres or closerPlace 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.
Primal ArmamentPrimal ArmamentAttack Tier: 2 Level: 1 Cost & Reservation Multiplier: 120%Supports Attacks that use a weapon, causing them to deal more weapon Elemental damage.Supported Skills deal 25% more Weapon Elemental 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.
III
Coming Soon
Coming Soon
Elemental FocusElemental FocusTier: 3 Level: 1Supports any skill that Hits enemies, causing it to deal more Elemental Damage but be unable to inflict Elemental Ailments.Supported Skills deal 25% more Elemental Damage Supported Skills cannot inflict Elemental AilmentsPlace 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.
Item acquisition
Molten Blast has restrictions on where or how it can drop.