Type	Stats	Weight
Superior	Supported Channelling Skills deal (0–10)% increased Damage	50
Anomalous	Supported Skills have (0–10)% increased Skill Effect Duration	100
Superior	Supported Triggered Spells deal (0–10)% increased Damage	50
Divergent	Supported Triggered Spells have (0–10)% increased Effect of Non-Damaging Ailments	100

Type

Stats

Weight

Superior

Supported Channelling Skills deal (0–10)% increased Damage

Anomalous

Supported Skills have (0–10)% increased Skill Effect Duration

100

Superior

Supported Triggered Spells deal (0–10)% increased Damage

Divergent

Supported Triggered Spells have (0–10)% increased Effect of Non-Damaging Ailments

100

Act	Quest	NPC	Character
4	The Eternal Nightmare	Petarus and Vanja	All Classes

Act

Quest

NPC

Character

The Eternal Nightmare

Petarus and Vanja

All Classes

Implicit
Cost & Reservation Multiplier: 120% Supported Triggered Spells deal 30% less Damage You cannot Cast Supported Triggerable Spells directly

Implicit

Cost & Reservation Multiplier: 120%
Supported Triggered Spells deal 30% less Damage
You cannot Cast Supported Triggerable Spells directly

Level	Requires Level	Dexterity	Intelligence	Trigger a Supported Spell every 0.45 seconds while Channelling Supported Skills	Experience
1	38	27	40	0.45	388,734
2	40	29	41	0.44	477,437
3	42	30	43	0.44	583,786
4	44	31	45	0.43	710,359
5	46	33	47	0.43	1,355,511
6	48	34	49	0.42	1,138,877
7	50	35	51	0.42	1,368,233
8	52	37	53	0.41	1,638,338
9	54	38	55	0.41	1,956,648
10	56	39	57	0.4	3,655,184
11	58	40	58	0.4	3,017,327
12	60	42	60	0.39	3,576,232
13	62	43	62	0.39	4,231,667
14	64	44	64	0.38	2,395,078
15	65	45	65	0.38	8,421,063
16	66	46	66	0.37	16,159,983
17	67	46	67	0.37	41,170,367
18	68	47	68	0.36	86,794,448
19	69	48	69	0.36	157,405,063
20	70	48	70	0.35
21	72			0.35
22	74			0.34
23	76			0.34
24	78			0.33
25	80			0.33
26	82			0.32
27	84			0.32
28	86			0.31
29	88			0.31
30	90			0.3
31	91			0.3
32	92			0.3
33	93			0.3
34	94			0.29
35	95			0.29
36	96			0.29
37	97			0.29
38	98			0.28
39	99			0.28
40	100			0.28

Level

Requires Level

Dexterity

Intelligence

Trigger a Supported Spell every 0.45 seconds while Channelling Supported Skills

Experience

0.45

388,734

0.44

477,437

0.44

583,786

0.43

710,359

0.43

1,355,511

0.42

1,138,877

0.42

1,368,233

0.41

1,638,338

0.41

1,956,648

0.4

3,655,184

0.4

3,017,327

0.39

3,576,232

0.39

4,231,667

0.38

2,395,078

0.38

8,421,063

0.37

16,159,983

0.37

41,170,367

0.36

86,794,448

0.36

157,405,063

0.35

0.34

0.33

0.32

0.31

0.3

0.29

0.28

100

0.28

Cost	iLvl 1: Normal: 1xOrb of Alchemy
Acronym	Channelling, Trigger
DropLevel	38
BaseType	Cast while Channelling Support
Class	Support Gems
Icon	W
Awakened	Awakened Cast While Channelling Support
Metadata	Metadata/Items/Gems/SupportGemCastWhileChannelling
Reference	poe.ninja, Community Wiki

Cost

iLvl 1: Normal: 1x

Orb of Alchemy

Acronym

Channelling, Trigger

DropLevel

BaseType

Cast while Channelling Support

Class

Support Gems

Icon

Awakened

Awakened Cast While Channelling Support

Metadata

Metadata/Items/Gems/SupportGemCastWhileChannelling

Reference

poe.ninja, Community Wiki

Icon	Name
	Charged Dash Channel to project an illusion which you steer. You gain stages while it moves, until it stops at a maximum total distance. Waves of area damage frequently pulse along its path, based on your attack speed. Stop channelling to teleport to the illusion, dealing a final wave of damage. Requires a Melee Weapon.
	Blade Flurry Repeatedly hit enemies in a circle in front of you while channelling, dealing damage to and around the enemy. The damage is continually boosted while channelling. You unleash an additional hit for each stage reached once the channelling ends. Requires a Dagger, Claw or One-Handed Sword.
	Incinerate Continuously launches a torrent of fire from your hand, repeatedly damaging enemies. As you channel this spell longer, the flames spread wider close to you and spread longer directly in front of you. When you stop channelling you release a wave of fire damage over a wide and long area that will apply a powerful Ignite.
	Cyclone Channel this skill to move towards a targeted location while spinning, building up stages while constantly attacking enemies in an area around you. While channelling this skill, you cannot be knocked back.
	Flameblast Channels to build up a large explosion, which is released when you stop using the skill. The longer you channel, the larger the area of effect and damage of the explosion, up to 10 stages.
	Lightning Tendrils While you channel this skill, it releases pulses of electrical energy, dealing lightning damage in a semicircular area in front of you.
	Wither Casts a debilitating debuff on enemies in an area, hindering their movement and also inflicts the Withered debuff, which increases the Chaos Damage they take and can stack up to 15 times.
	Blight Apply a debuff to enemies in front of you which deals chaos damage over time. Enemies who aren't already debuffed by Blight are also hindered for a shorter secondary duration, slowing their movement. Continued channelling adds layers of damage to the debuff, each with their own duration.
	Scorching Ray Unleash a beam of fire that burns enemies it touches. Remaining in the beam intensifies the burning, adding a portion of the beam's damage in stages. Inflicts Fire Exposure at maximum stages. Enemies who leave the beam continue to burn for a duration. Increasing cast speed also increases the rate at which the beam can turn.
	Storm Burst Unleash orbs of energy while you channel that repeatedly jump towards the targeted location until their duration expires, dealing damage in small area after each jump. When you stop channelling, all remaining orbs explode, dealing higher damage in a larger area.
	Scourge Arrow Channel to infuse an arrow with chaos, gaining stages while it is held. Release to fire it, leaving spore pods in its wake. Each spore pod blooms, firing thorn arrows, which travel for a short time before dissipating. Modifiers that cause additional projectiles to be fired will only apply to the initial arrows, and the spore pods will be split between those arrows.
	Winter Orb Channel to conjure an orb above you, which pelts nearby enemies with projectiles that impact the ground and explode. Channelling for longer builds up stages on the skill. When you stop channelling, the stages decay over a duration.
	Stormbind Channel to spread runes on the ground in a growing pattern. The runes fade away after a duration, or will be immediately removed and deal damage in a circular area when detonated by Rune Blast. Enemies standing on the runes are Hindered, reducing their movement speed.
	Divine Ire Channelling draws in energy around you to repeatedly build up stages, damaging a number of nearby enemies when you do so. Release to unleash a powerful burst of energy in a beam in front of you.
	Vaal Blade Flurry Channel to create an expanding circle area around you that blinds enemies within it. When you stop channelling, deals damage in a smaller area around each enemy in the circle. Requires a Dagger, Claw or One-Handed Sword.
	Snipe Channel to charge up your bow, gaining stages. Release to trigger one supported bow skill for each stage gained. If there are no supported skills, but at least one stage was gained, this skill will fire its own arrow instead. Cannot be used by Totems.

Icon

Name

Charged Dash
Channel to project an illusion which you steer. You gain stages while it moves, until it stops at a maximum total distance. Waves of area damage frequently pulse along its path, based on your attack speed. Stop channelling to teleport to the illusion, dealing a final wave of damage. Requires a Melee Weapon.

Blade Flurry
Repeatedly hit enemies in a circle in front of you while channelling, dealing damage to and around the enemy. The damage is continually boosted while channelling. You unleash an additional hit for each stage reached once the channelling ends. Requires a Dagger, Claw or One-Handed Sword.

Incinerate
Continuously launches a torrent of fire from your hand, repeatedly damaging enemies. As you channel this spell longer, the flames spread wider close to you and spread longer directly in front of you. When you stop channelling you release a wave of fire damage over a wide and long area that will apply a powerful Ignite.

Cyclone
Channel this skill to move towards a targeted location while spinning, building up stages while constantly attacking enemies in an area around you. While channelling this skill, you cannot be knocked back.

Flameblast
Channels to build up a large explosion, which is released when you stop using the skill. The longer you channel, the larger the area of effect and damage of the explosion, up to 10 stages.

Lightning Tendrils
While you channel this skill, it releases pulses of electrical energy, dealing lightning damage in a semicircular area in front of you.

Wither
Casts a debilitating debuff on enemies in an area, hindering their movement and also inflicts the Withered debuff, which increases the Chaos Damage they take and can stack up to 15 times.

Blight
Apply a debuff to enemies in front of you which deals chaos damage over time. Enemies who aren't already debuffed by Blight are also hindered for a shorter secondary duration, slowing their movement. Continued channelling adds layers of damage to the debuff, each with their own duration.

Scorching Ray
Unleash a beam of fire that burns enemies it touches. Remaining in the beam intensifies the burning, adding a portion of the beam's damage in stages. Inflicts Fire Exposure at maximum stages. Enemies who leave the beam continue to burn for a duration. Increasing cast speed also increases the rate at which the beam can turn.

Storm Burst
Unleash orbs of energy while you channel that repeatedly jump towards the targeted location until their duration expires, dealing damage in small area after each jump. When you stop channelling, all remaining orbs explode, dealing higher damage in a larger area.

Scourge Arrow
Channel to infuse an arrow with chaos, gaining stages while it is held. Release to fire it, leaving spore pods in its wake. Each spore pod blooms, firing thorn arrows, which travel for a short time before dissipating. Modifiers that cause additional projectiles to be fired will only apply to the initial arrows, and the spore pods will be split between those arrows.

Winter Orb
Channel to conjure an orb above you, which pelts nearby enemies with projectiles that impact the ground and explode. Channelling for longer builds up stages on the skill. When you stop channelling, the stages decay over a duration.

Stormbind
Channel to spread runes on the ground in a growing pattern. The runes fade away after a duration, or will be immediately removed and deal damage in a circular area when detonated by Rune Blast. Enemies standing on the runes are Hindered, reducing their movement speed.

Divine Ire
Channelling draws in energy around you to repeatedly build up stages, damaging a number of nearby enemies when you do so. Release to unleash a powerful burst of energy in a beam in front of you.

Vaal Blade Flurry
Channel to create an expanding circle area around you that blinds enemies within it. When you stop channelling, deals damage in a smaller area around each enemy in the circle. Requires a Dagger, Claw or One-Handed Sword.

Snipe
Channel to charge up your bow, gaining stages. Release to trigger one supported bow skill for each stage gained. If there are no supported skills, but at least one stage was gained, this skill will fire its own arrow instead. Cannot be used by Totems.

Edit

Cast while Channelling Support

Cast while Channelling Support is a Support gem that trigger linked non-channeling Spell while the character is using a channelling skill.

Skill functions and interactions

Triggered Spell Priority: Cast while Channelling follows the same restrictions as other trigger support gems such as Cast On Critical Strike Support, in that only one spell can be triggered per event. If multiple Spells are linked, the spells will cycle based on the order in which they are socketed.
Casting Interval: Unlike Cast On Critical Strike Support, the listed interval is not a cooldown. Cast while Channelling casts the trigger spell exactly on the listed interval regardless of the cast time of the channeled spell.
Spell Totem Support: Cast while Channelling cannot support a skill gem that is supported by Spell Totem Support gem.

Version history

Version	Changes
3.17.0	Cast while Channelling Support now has "Supported Triggered Spells deal 30% less Damage" at all gem levels.
3.16.0	Now has a 120% Cost and Reservation Multiplier (previously 140% for Attacks, and 100% for Spells).
3.15.0	Trigger skill gems now cost mana. No longer has “Supported Triggered Spells deal 0-9% more Damage”. Quality on the Anomalous Cast While Channeling Support no longer grants “Supported Skills have 0-10% increased Attack and Cast Speed”. It now grants “Supported Skills have 0-10% increased Skill Effect Duration”.
3.12.0	Now has alternative gem quality: Anomalous: Supported Skills have 0.5% increased Attack and Cast Speed Divergent: Supported Skills have 0.5% increased Effect of non-Damaging Ailments on Enemies
2.5.0	Introduced to the game.

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Unusual Gems /4 ⍟

Quest /1 ⍟

Level Effect /40