Vortex - Path of Exile

Vortex is an active skill gem.

An icy blast explodes around the caster, dealing cold damage to enemies, and leaving behind a whirling vortex which deals cold damage over time and chills enemies caught in it. If the caster targets near their Frostbolt projectiles, it will explode from a number of those projectiles instead, destroying them.You are taking cold damage over time.You are taking damage from a VortexYou are taking damage from a VortexYou are taking damage from a VortexYou are taking damage from a Vortex

Spell, AoE, Cold, Duration, Nova. Level: 1–20. Cost: 11–20 Mana. Cooldown Time: 1.80 sec. Cast Time: Instant. Critical Strike Chance: 6.00%. Effectiveness of Added Damage: 270%. Requires Level 28.

Deals (41–1209) to (62–1813) Cold Damage
Deals (116.1–2317.2) Base Cold Damage per second
Base duration is 3 seconds
Modifiers to Spell Damage apply to this Skill"s Damage Over Time effect
20% less Area of Effect when Cast on Frostbolt
(0–76)% increased Cooldown Recovery Rate
Can explode from up to 5 Frostbolt Projectiles

Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.

Name	Additional Effects From Quality	Weight
Vortex	(0–10)% increased Area of Effect	50

Vortex's Damge of Time Tooltip doesn't benefit from + damage to spells (Herald of Ice etc), and also cannot have its element converted. Is that the actual functionality and/or is that intended?

This is true of all damage over time, and always has been. Flat added damage only makes sense for hits, and damage conversion cannot apply to damage over time (although that one might be able to change in the distant future).

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Related Gems

Name	Additional Effects From Quality	Weight
Vortex	(0–10)% increased Area of Effect	50
Anomalous Vortex	(0–20)% increased Cold Damage	100
Divergent Vortex	(0–20)% less Skill Effect Duration (0–20)% increased Cooldown Recovery Rate	50
Phantasmal Vortex	(0–40)% increased Damage when Cast on Frostbolt	100

Level Effect

Level	Requires Level	Intelligence	Cost	Deals 41 to 62 Cold Damage	Deals 116.1 Base Cold Damage per second	#% increased Cooldown Recovery Rate	Experience
1	28	67	11	41, 62	116.1		199,345
2	31	73	11	54, 81	147.4	4	285,815
3	34	79	12	70, 105	185.5	8	401,344
4	37	85	13	90, 135	232.8	12	554,379
5	40	92	13	116, 174	290.8	16	477,437
6	42	96	14	136, 205	336.1	20	583,786
7	44	100	14	160, 241	388.9	24	710,359
8	46	104	15	189, 283	449.2	28	1,355,511
9	48	109	15	221, 332	518.1	32	1,138,877
10	50	113	15	260, 389	596.6	36	1,368,233
11	52	117	16	304, 456	685.9	40	1,638,338
12	54	121	16	356, 533	787.6	44	1,956,648
13	56	125	17	416, 623	903.2	48	3,655,184
14	58	130	17	485, 728	1034.3	52	3,017,327
15	60	134	18	566, 849	1187	56	7,759,995
16	62	138	18	660, 990	1356.1	60	15,138,193
17	64	142	18	768, 1153	1552.8	64	26,083,825
18	66	146	19	894, 1341	1776.2	68	62,620,247
19	68	151	19	1040, 1560	2029.8	72	211,708,088
20	70	155	20	1209, 1813	2317.2	76
21	72		20	1404, 2106	2642.8	80
22	74		21	1630, 2445	3011.4	84
23	76		21	1891, 2837	3428.2	88
24	78		21	2193, 3290	3899.1	92
25	80		22	2542, 3813	4448.3	96
26	82		22	2945, 4417	5050.7	100
27	84		23	3409, 5114	5753.3	104
28	86		23	3946, 5919	6548.8	108
29	88		24	4564, 6847	7417.3	112
30	90		24	5278, 7917	8430.3	116
31	91		24	5675, 8512	8985.1	120
32	92		25	6101, 9151	9574.9	124
33	93		25	6558, 9837	10201.5	128
34	94		25	7049, 10574	10867.2	132
35	95		25	7576, 11364	11574.4	136
36	96		25	8142, 12212	12325.5	140
37	97		26	8749, 13123	13123	144
38	98		26	9400, 14100	13969.7	148
39	99		26	10099, 15149	14868.4	152
40	100		26	10850, 16274	15822.2	156

Vortex is a cold spell that deals damage in an area around the character and leaves a ground effect that chills and deals heavy cold damage over time. If the player has any active Frostbolt projectiles, Vortex will be cast on those projectiles instead.

Skill functions and interactions

Modifiers to Spell Damage apply to this skill's Damage Over Time Effect: Modifiers to spell damage only affect the damage over time effect of Vortex granted by the gem and do not affect other sources of damage over time which may be applied by the skill, such as poison or Decay Support.
Frostbolt: The player may cast Frostbolt and subsequently cast Vortex on the Frostbolt projectiles. If Vortex is cast this way, it will have 20% less area of effect and it may cast on up to 5 Frostbolt projectiles, consuming them.
- If the player has any active Frostbolt projectiles and Vortex is triggered by an effect (such as Cast On Critical Strike Support), Vortex will automatically be cast on the Frostbolt projectiles.

Overlap: If an enemy is standing on multiple Vortex ground effects, only the one with the highest damage per second will deal damage at any given moment. This is consistent with other damage over time ground effects, such as burning ground.

Cast time: Vortex is an instant spell; it has no cast time and does not interrupt your character's other actions.

On hit effects: Because the initial explosion counts as a hit, Vortex can be used with on hit effects such as Hextouch Support.

Item acquisition

Vortex can drop anywhere.

Recipes

Vortex can be created from the following recipes:

Amount	Part	Description
13	The Cataclysm	Random corrupted level 21 Spell gem
6	The Fox	Random level 20 gem
8	Dying Anguish	Random level 19 gem with 19% alternative quality
8	The Hook	Random corrupted level 21 gem with 23% alternative quality
3	Gemcutter's Promise	Random gem with 20% quality
1	Gemcutter's Incubator	Random gem with 1–20% quality
1	The Void	Random divination card set exchange

Vendor reward

This item can be bought at the listed NPC vendors, after completing the following quests:

Class →	Witch	Shadow	Ranger	Duelist	Marauder	Templar	Scion
Quest ↓	Witch	Shadow	Ranger	Duelist	Marauder	Templar	Scion
A Fixture of Fate Act 3 Siosa	✓
Sever the Right Hand Act 3 Clarissa	✓	✓	✗	✗	✗	✓	✓
Fallen from Grace Act 6 Lilly Roth	✓

Other sources

The skill is also used by several monster. The UI would display a status icon to show the player character is affected by the skill.

Related helmet enchantments

The following helmet enchantments affect Vortex.

Name	Level	Labyrinth	Stats	Spawn Weighting
Enchantment Vortex AoE On Frostbolt 1	66	Merciless Labyrinth	Vortex has 30% increased Area of Effect when Cast on Frostbolt	helmet 75 default 0
Enchantment Vortex AoE On Frostbolt 2	75	Eternal Labyrinth	Vortex has 45% increased Area of Effect when Cast on Frostbolt	helmet 75 default 0
Enchantment Vortex Cooldown Recovery 1	66	Merciless Labyrinth	Vortex has 20% increased Cooldown Recovery Rate	helmet 75 default 0
Enchantment Vortex Cooldown Recovery 2	75	Eternal Labyrinth	Vortex has 30% increased Cooldown Recovery Rate	helmet 75 default 0
Enchantment Vortex Damage 1	66	Merciless Labyrinth	25% increased Vortex Damage	helmet 75 default 0
Enchantment Vortex Damage 2	75	Eternal Labyrinth	40% increased Vortex Damage	helmet 75 default 0
Enchantment Vortex Duration 1	66	Merciless Labyrinth	20% increased Vortex Duration	helmet 75 default 0
Enchantment Vortex Duration 2	75	Eternal Labyrinth	30% increased Vortex Duration	helmet 75 default 0
EnchantmentVortexRadius1	66	Merciless Labyrinth	16% increased Vortex Area of Effect	helmet 0 default 0
EnchantmentVortexRadius2	75	Eternal Labyrinth	24% increased Vortex Area of Effect	helmet 0 default 0

Alternate skill effects

Vortex has the following alternate skill effects:

Item	Effect(s)
Black Hole Vortex Effect	Your Vortex becomes a stationary black hole.
Myrmidon Vortex Effect	Your Vortex becomes a Myrmidon Effect.