Cast on Critical skill gem icon in Path of Exile 2

Cast on Critical Intelligence Spirit gem · Buff, Persistent, Trigger, Meta

IntelligenceBuffPersistentTriggerMeta

While active, gains Energy when you Critically Hit enemies and triggers socketed Spells on reaching maximum Energy.

Cast on Critical gem card

Game data Verified for 0.5.5f

Cast on Critical stats per level

Game data

Every level from 1 to 20: the character level it needs, its cost and what changes.

Level table (20 levels)

At every level

Triggers all Socketed Spells and loses all Energy on reaching maximum Energy

Cast on Critical stats per level
Gem level	Char. level	Spirit	Stats
1	1	100	—
2	3	100	—
3	6	100	—
4	10	100	—
5	14	100	—
6	18	100	—
7	22	100	—
8	26	100	—
9	31	100	—
10	36	100	—
11	41	100	—
12	46	100	—
13	52	100	—
14	58	100	—
15	64	100	—
16	66	100	—
17	72	100	—
18	78	100	—
19	84	100	—
20	90	100	—

Game data: Path of Exile 2 client · How we source this

Supports for Cast on Critical

Calculated

Support gems that share Cast on Critical's tags, the most shared tags first.

Supports for Cast on Critical
Support	Shared tags	Effect
Atziri's Call	Trigger	DNT-UNUSED Supports Spells you use yourself which Hit enemies. On Critical Hit with supported Spells, Trigger Atziri's Storm at the location of the nearest enemy.
Doedre's Undoing	Trigger	Supported Skills create Cursed Ground Enemies on the Cursed Ground from a Supported Skill are Cursed while within it
Dreamer's Knell	Trigger	DNT-UNUSED Supported Skills create a Bell for every 2 Combo expended when expending Combo
Eonyr's Thunder	Trigger	Lightning Damage from Supported Skills Contributes to Electrocution Buildup
Hayoxi's Fulmination	Trigger	Supported Skills create Cursed Ground Enemies on the Cursed Ground from a Supported Skill are Cursed while within it
Ixchel's Torment	Trigger	Skills Triggered by Supported Skills recover between 0% and 20% of cost on use
Mórrigan's Insight	Trigger	Supported Skills cannot cause Freeze buildup
Paquate's Pact	Trigger	Supported Skills Trigger Twisted Pact for each enemy in range
Tawhoa's Tending	Trigger	Totems created by Supported Skills have 25% more maximum Life
Trickster's Shard	Trigger	Supported Spells Trigger Fragment Self
Xibaqua's Rending	Trigger	Supported Skills trigger Fiery Reclamation on landing
Accelerated Growth	Trigger	Triggers Accelerated Growth on Overgrowing Plants created by Supported Skills

Matched by gem tags. In game, a support can only be socketed into a skill it can support, so check the support's own page.

Skills like Cast on Critical

Other gems of the same type with the most tags in common.

Cast on Critical in Path of Exile 2

Cast on Critical — Intelligence Spirit gem, tagged Buff, Persistent, Trigger, Meta — levels to 20, where it needs character level 90. Supports that share its tags include Atziri's Call, Doedre's Undoing, Dreamer's Knell, Eonyr's Thunder.

Cast on Critical FAQ — PoE 2 0.5.5f

What does Cast on Critical do in Path of Exile 2?

While active, gains Energy when you Critically Hit enemies and triggers socketed Spells on reaching maximum Energy. Type: Intelligence Spirit gem, tagged Buff, Persistent, Trigger, Meta.

What are the best supports for Cast on Critical?

Supports that share Cast on Critical's tags are a good start: Atziri's Call, Doedre's Undoing, Dreamer's Knell, Eonyr's Thunder. Pick the ones that boost the damage type and mechanic your build scales.

What level does Cast on Critical need?

Gem level 1 needs character level 1. The max gem level, 20, needs character level 90.