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
Magnified EffectMagnified EffectAoE Tier: 1 Level: 1 Cost & Reservation Multiplier: 120%Supports any skill with an area of effect, making it larger.Supported Skills have 40% more area of EffectPlace 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.
PinPinPhysical Tier: 1 Level: 1Supports any skill that Hits enemies, allowing its Physical damage to Pin enemies but making it unable to Stun.Supported Skills do not cause Stun buildup Physical Damage from Supported Skills is PinningPlace 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
BlindBlindTier: 2 Level: 1 Cost & Reservation Multiplier: 110%Supports any skill that Hits enemies, causing them to Blind on Hit.Supported Skills have 100% chance to Blind enemies on HitPlace 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.
MaimMaimAttack Tier: 2 Level: 1Supports Attacks, causing them to Maim enemies.Supported Attacks always Maim on HitPlace 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
CannibalismCannibalismBuff, Persistent Tier: 3 Level: 1 Cost: 15 SpiritSupports Persistent Buff Skills, causing you to recover Life on kill while the Skill is active.4% of Life recovered on Kill while a Supported Skill is activePlace 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.
Culling StrikeCulling StrikeAttack Tier: 3 Level: 1Supports Attack Skills, causing them to Cull Rare and Unique Enemies on Hit.Supported Skills have Culling Strike against Rare or Unique EnemiesPlace 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
Wind Dancer has restrictions on where or how it can drop.