Hydrosphere - Path of Exile

Hydrosphere is a spell gem. Create a sphere of water, or move an existing sphere and reset its duration. The sphere continually applies a drenched debuff with a short duration to enemies in its area or those it moves through. You can hit the sphere with other skills to inflict Cold and Lightning Ailments (other than Chill). The sphere pulses when created, at regular intervals while afflicted by an Ailment, and after moving, damaging all drenched enemies in a large area. Spell, AoE, Duration, Cold, Orb, Lightning, Physical. Level: 1–20. Cost: 12–20 Mana. Cast Time: 0.60 sec. Critical Strike Chance: 5.00%. Effectiveness of Added Damage: 110%. Requires Level 34. Deals (37–510) to (56–765) Physical Damage Base duration is 8 seconds Base secondary duration is 4 seconds Pulses every 0.4 seconds while Frozen, Shocked, Brittle or Sapped Can only be Hit once every 1 second Drenched Enemies have Cold and Lightning Exposure, applying -10% to Resistances 100% of Physical Damage Converted to Cold Damage while Sphere has no Ailments 100% of Physical Damage Converted to Lightning Damage while sphere is Shocked or Sapped 100% of Physical Damage Converted to Cold Damage while Sphere is Frozen or Brittle 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 Hydrosphere (0–10)% increased Pulse Frequency 50

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Related Gems

PoE Elementalist Hydrosphere Build

Hydrosphere support gems:

• Controlled Destruction Support: 75%
• Hypothermia Support: 63%
• Inspiration Support: 38%
• Lightning Penetration Support: 31%
• Concentrated Effect Support: 25%
• Energy Leech Support: 25%
• Added Lightning Damage Support: 19%
• Cold Penetration Support: 19%
• Arcane Surge Support: 13%

Hydrosphere Build Guide

Hydrosphere skill summons a huge sphere of water that you can move around to crush enemies. While it is active, you can apply cold or lightning ailments to it. It will then pulse for a duration, afflicting nearby enemies with damage matching that ailment.

This skill gem can be acquired from level 34 and can be supported with spell, area of effect, duration, cold, orb, lightning and physical support gems. It pulses every 0.4 seconds while an ailment is applied to it. It also converts its physical damage to cold or lightning damage based on what ailments are on it.

Level Effect

Hydrosphere is a skill gem that creates a sphere of water, or moves an existing sphere and resets its duration. The sphere continually applies a drenched debuff with a short duration to enemies in its area or those it moves through. You can hit the sphere with other skills to inflict cold and lightning ailments (other than chill). The sphere pulses at regular intervals while afflicted by an ailment, and after moving, damaging all drenched enemies in a large area with that ailment. It is classified as an Intelligence Skill Gem.

kill functions

You can only have one hydrosphere at a time, whenever you recast the skill, the existing hydrosphere moves to the targeted location and the duration is refreshed. Skills that hit enemies can also hit the hydrosphere. This can happen even when no enemies are around. The hydrosphere itself cannot be targeted, so skills that require a specific target and are not merely cast at a location will typically not work with Hydrosphere.

• Critical Strike: Because Hydrosphere is only a single spell, its critical strike chance is only rolled once. If it crits, the first hit including every pulse after will be a critical strike. If it doesn't crit, none of them will be.

Skill interactions

Brands: Brands cannot attach to hydrosphere. Activations of brands attached to other creatures can hit the hydrosphere.

Chain Hook: Grants Rage when hitting the hydrosphere.

Chaining skills: Skills can chain off the hydrosphere on their first hit. They will not chain from the enemies to the hydrosphere.

Curses: Hydrosphere cannot be affected by hexes or marks, even if the player applies them on-hit. However, since Hydrosphere itself does hit with its initial pulse, it can be used to curse on hit when linked with Hextouch Support.

Explosive Arrow: Explosive Arrows can stick into a hydrosphere and will explode as expected.

Frenzy: Grants frenzy charge when hitting the hydrosphere.

Herald of Thunder: Lightning strikes will target hydrosphere but since it is not allowed to shock it would need to be able to inflict another valid ailment.

Strike skills: Strike skills that strike additional nearby targets, such as those supported by Ancestral Call Support, can choose the hydrosphere as a nearby target. When combined with skills that deal area of effect damage, such as Molten Strike or skills supported by Melee Splash Support, these extra strikes can cause an area of effect overlap back onto the primary target that may increase single target DPS.

Reflected Ailments

Maligaro's Restraint: Shocking hydrosphere reflects the same shock on the player.

The Fulcrum: All Cold and Lightning ailments applied to hydrosphere reflect to the player.

Item acquisition

Hydrosphere can drop anywhere. Drop level: 34.

Recipes

Hydrosphere 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

Quest reward

This item is given as a quest reward for the following quests:

Class →	Witch	Shadow	Ranger	Duelist	Marauder	Templar	Scion
Quest ↓
Breaking the Seal Act 4	✓	✗	✗	✗	✗	✓	✗

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 ↓
Breaking the Seal Act 4 Petarus and Vanja	✓	✓	✗	✗	✗	✓	✓
Fallen from Grace Act 6 Lilly Roth	✓

Threshold jewels

The following threshold jewels augment Hydrosphere:

Item	Limit	Radius	Stats

Related helmet enchantments

The following helmet enchantments affect Hydrosphere.

Name	Level	Labyrinth	Stats	Spawn Weighting
Enchantment Hydrosphere Damage 1	66	Merciless Labyrinth	Hydrosphere deals 25% increased Damage	helmet 100 default 0
Enchantment Hydrosphere Damage 2	75	Eternal Labyrinth	Hydrosphere deals 40% increased Damage	helmet 100 default 0
Enchantment Hydrosphere Exposure Amount 1	66	Merciless Labyrinth	Enemies Drenched by Hydrosphere have Cold and Lightning Exposure, applying -4% to Resistances	helmet 100 default 0
Enchantment Hydrosphere Exposure Amount 2	75	Eternal Labyrinth	Enemies Drenched by Hydrosphere have Cold and Lightning Exposure, applying -6% to Resistances	helmet 100 default 0
Enchantment Hydrosphere Pulse Frequency 1	66	Merciless Labyrinth	Hydrosphere has 20% increased Pulse Frequency	helmet 100 default 0
Enchantment Hydrosphere Pulse Frequency 2	75	Eternal Labyrinth	Hydrosphere has 30% increased Pulse Frequency	helmet 100 default 0