PoE2 gem tool
Support Finder
Choose a skill to find support gems, or choose a support to find compatible skills.Selected skill
Siege Ballista
Deploy a Ballista Totem that fires bolts skyward, to explode a short time after landing.Source recommendations
Recommended support gems
These are recommendations on the selected skill's source page. They remain separate from the explicit compatibility list below.
Explicit compatibility
Compatible support gems
32 support gems
Supports any Skill, turning a portion of its Mana cost into a Life cost. Does not support Skills which reserve Spirit. Supported Skills Gain a portion of their Life cost as extra Physical Damage.
- Requirements
- +5 Str, Level 65
Supports any Skill you use yourself, causing supported Skill to detonate Volatility that is present on you. Supported Skill can only be used while you have a certain amount of Volatility and cannot support Skills which already have another Condition.
- Requirements
- +5 Int
Supports Skills which create Totems, preventing you from having more than one of that Totem but granting significant benefits for Supported Totems based how many allied Totems are near them. Does not Support Skills used by Minions.
- Requirements
- +5 Str, Level 65
Supports any skill that has a duration making that duration shorter.
- Requirements
- +5 Str
Supports any skill that has a duration making that duration shorter.
- Requirements
- +5 Str
Supports skills that can be used while moving, causing you to move slower while using them, but granting more damage in exchange.
- Requirements
- +5 Dex
Supports any skill, making it cost less to use. Cannot support skills which reserve Spirit.
- Requirements
- +5 Str
Supports any skill, making it cost less to use. Cannot support skills which reserve Spirit.
- Requirements
- +5 Str
Supports Skills which create Totems. Totems created by supported Skills generate a Font of Blood which will Leech Life to Allies within it.
- Requirements
- +5 Str
Supports Skills which create Totems. Totems created by supported Skills generate a Font of Mana which will Leech Mana to Allies within it.
- Requirements
- +5 Int
Supports Skills which create Totems, causing those Totems to have more Life.
- Requirements
- +5 Str
Supports Skills which create Totems, causing those Totems to have more Life.
- Requirements
- +5 Str
Supports any Skill, turning its Mana cost into a Life cost. Does not support Skills which reserve Spirit.
- Requirements
- +5 Str
Supports skills that can be used while moving, allowing you to move faster while using them.
- Requirements
- +5 Dex
Supports Skills which have a Limit, increasing that Limit at the cost of their duration. Only applies to restrictions that use the word "Limit".
- Requirements
- +5 Dex
Supports Skills which have a Limit, increasing that Limit at the cost of their duration. Only applies to restrictions that use the word "Limit".
- Requirements
- +5 Dex
Supports Skills which have a Limit, doubling that Limit, but Cursing yourself on Supported Skill use. Only applies to restrictions that use the word "Limit". Cannot support Persistent Skills.
- Requirements
- +5 Dex
Supports Skills you use yourself. Supported Skills consume a Corpse on use, dealing more Chaos Damage if they do.
- Requirements
- +5 Int
Supports Skills you use yourself. Supported Skills consume many Corpses on use, dealing more Chaos Damage per Corpse consumed.
- Requirements
- +5 Int
Supports any skill that has a duration, making that duration longer.
- Requirements
- +5 Str
Supports any skill that has a duration, making that duration longer.
- Requirements
- +5 Str
Supports Skills which create Totems. Totems created by Supported Skills have additional Elemental Resistances.
- Requirements
- +5 Str
Supports Skills which create Totems. Totems created by Supported Skills have additional Elemental Resistances.
- Requirements
- +5 Str
Supports Skills which create Totems, preventing having more than one active Totem but causing that Totem to splinter into smaller versions of itself after it uses an Attack or Spell, with each Totem becoming less effective. Each splintered Totem can further splinter, up to a maximum. Does not Support Skills used by Minions. Only one Totem can be splintering at a time.
- Requirements
- +5 Str
Supports Skills which create Totems, preventing having more than one active Totem but causing that Totem to splinter into smaller versions of itself after it uses an Attack or Spell, with each Totem becoming less effective. Each splintered Totem can further splinter, up to a maximum. Does not Support Skills used by Minions. Only one Totem can be splintering at a time.
- Requirements
- +5 Str
Supports Skills which create Totems, causing those Totems to have more Life. Totems created by Supported Skills explode on death, dealing Physical damage based on their Life.
- Requirements
- +5 Str, Level 65
Supports Skills which can gain levels, granting them additional levels provided exactly two other supports are used with the supported Skill. Does not support skills which do not have levels.
- Requirements
- +5 Str, Level 65
Supports Skills which can gain levels, granting them many additional levels provided no other supports are used with the supported Skill. Does not support skills which do not have levels.
- Requirements
- +5 Str, Level 65
Supports Skills which can gain levels, granting them additional levels provided exactly one other support is used with the supported Skill. Does not support skills which do not have levels.
- Requirements
- +5 Str, Level 65
Supports Skills which create Totems, causing those Skills to place Totems much more quickly.
- Requirements
- +5 Str
Supports Skills which create Totems, causing those Skills to place Totems much more quickly.
- Requirements
- +5 Str
Supports Skills which create Totems, causing those Skills to place Totems much more quickly. Totems created by Supported Skills have increased Attack and Cast Speed.
- Requirements
- +5 Str