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Code Name: He. A high-purity Hydro entity.
Hypostases have strong rejection properties, and will mercilessly expel any that test them. The logic behind their behavior remains a mystery.

The Hydro Hypostasis is a Normal Boss challenge found in Suigetsu Pool, Watatsumi Island, Inazuma.


Claiming the Trounce Blossom after defeating the boss offers the following exclusive Character Ascension Material:

The blossom also offers the following Artifact Sets:

Item Traveling Doctor.png2-3★ Set Traveling Doctor
Item Berserker.png3-4★ Set Berserker
Item Instructor.png3-4★ Set Instructor
Item The Exile.png3-4★ Set The Exile

The cost of claiming the Trounce Blossom is Original Resin Original Resin ×40.

Rewards and difficulty increase with Adventure Rank (AR).

At all World Levels, Hydro Hypostasis rewards Adventure EXP Adventure EXP ×200.

Mora Character EXP Companionship EXP Ascension
2 Stars 3 Stars 4 Stars 5 Stars
0 36 3,450 138 30 2–3 1–2 2–3
1 37 3,450 138 30 2–3 1–2 2–3
2 41 3,650 144 30 Previous Rewards +
2–3 1–2 2–3
3 50 3,850 155 35 2–4 3–4 0–1
4 62 4,125 166 35 Previous Rewards +
2–4 3–4 0–1
5 72 4,450 178 40 3–5 2–3 1–2 0–1
6 83 4,725 189 40 Previous Rewards +
3–5 2–3 1–2 0–1
7 91 5,200 200 45 3–5 2–3 1–2 0–1
8 93 6,000 200 45 3–5 2–3 1–2 1

Artifact drop ranges are primarily sourced from the Genshin Data Gathering team.


Physical Pyro Hydro Electro Cryo Anemo Geo
10% 10% Immune 10% 10% 10% 10%
Level Scaling
1 656 152 505
5 1,477 255 525
10 2,579 407 550
15 4,595 643 575
20 7,967 1,004 600
25 10,306 1,371 625
30 13,255 1,639 650
35 18,797 1,974 675
40 24,254 2,450 700
45 32,338 3,049 725
50 44,968 3,779 750
55 55,322 4,477 775
60 75,431 5,322 800
65 89,846 6,284 825
70 117,468 7,346 850
75 134,287 8,376 875
80 167,092 9,452 900
85 183,819 10,279 925
90 219,187 11,419 950
95 249,740 13,099 975
100 330,886 14,773 1,000

Note that HP and ATK values may change in Co-Op, some Quests, and certain Domains. The change usually involves multiplying some of the values by a constant scale factor.

Abilities and Attacks

  • Bubble Support: Draws in water and then jiggles around in a bubble before exploding, dealing 150% ATK as AoE Hydro DMG launching two smaller bubbles towards different directions which transform into slime-like 'Water Droplets' which can be destroyed. If one droplet is already present, it will only summon the other droplet.
    • The dark blue droplet will approach the player, and explode when destroyed with Elemental Reactions or when close to the player, dealing 46.7% ATK as AoE Hydro DMG. If the Hydro Hypostasis caught inside the explosion's AoE, it will be forced to expose its core for a period of time.
    • The light blue droplet will periodically generate a healing orb that travels slowly towards the Hypostasis. The player can intercept the healing orbs to recover large amounts of HP and prevent them from healing the boss.
  • Twisting Vortex: Transforms into a twisting serpentine form that spirals around vertically before diving into the ground dealing 50% ATK as AoE Hydro DMG, and causes bubbles to rise from the ground all around for a while after. Upon contact with a player, a bubble deals 100% ATK as Hydro DMG and traps the player temporarily.
  • Dolphin Dive: Dives into the ground before turning into a pod of Dolphins, which leap towards the player in a curved trajectory, dealing 150% ATK as AoE Hydro DMG.
  • Rainstorm Maelstrom: Transforms into a twister while summoning three circles of deadly rain from the sky dealing 50% ATK as AoE Hydro DoT.
  • Dive Warp: Dives into the ground to re-emerge in the middle of the arena.
  • Rolling Waves: Dives into the ground before transforming into a single large cube while calling rolling waves from the edges of the arena to roll in towards it, dealing 100% ATK as Hydro DMG on contact, before causing a large splash at the end dealing 150% ATK AoE Hydro DMG.
  • Dolphin Show: Creates a summoning circle and spins a ring of water around before covering itself in a bubble and then going vulnerable in the circle. While in this state it will cause dolphins to emerge from the ground all around dealing 100% ATK as AoE Hydro DMG on appearance and 25% ATK as AoE Hydro DMG on landing.
  • Wave Slam: Transforms into a ray and slaps the ground releasing bursts of water in a line ahead. The initial slap deals 100% ATK as AoE Hydro DMG, the subsequent bursts deal 50% ATK or 25% ATK as AoE Hydro DMG.
  • Droplet Aid: When HP is low (approx. 5%), dives into the ground to warp to the center of the arena and summon three large 'Water Droplets' which will slowly head towards the boss. If the droplets are not defeated in time, they will touch the boss and heal it. Droplets that are defeated will not reappear the next time the boss uses this ability. The player can also prevent the Droplets from reaching the Hydro Hypostasis by blocking them with Geo Constructs or by knocking them back.



All water droplets summoned by the boss spawn with a Hydro Shield. The droplets are instantly defeated after their shields break. Cryo, Pyro, and Electro are recommended to break the Hydro droplets at the end of the fight. Anemo and Geo can also break the droplets. See Shields/Shield Gauge Data for the gauge values of the droplet shields.

The boss starts off the fight with Bubble Support. It will be vulnerable and it is recommended to explode the dark blue droplet near the boss if possible to allow for additional uptime against the boss. The lighter droplet can usually be ignored as it only launches healing support periodically, which moves slowly and can be intercepted by the player at ground level.

As the boss applies Wet on itself at all times, Pyro and Electro can inflict Vaporize and Electro-Charged respectively to deal 1.5x additional damage and apply a damage over time effect respectively. As a boss, it is immune to Frozen, although it can still be used to freeze droplets.

Upon reaching critical health, the boss will launch three large water droplets; if any of them reach the boss, it will revive with a percentage of its health. Droplets that are destroyed before reaching the boss will not appear again when the mechanic is used again, similarly to the Electro, Geo and Anemo Hypostases. AoE abilities with strong elemental application such as Planet Befall and Dandelion Breeze, can also be used to destroy all droplets simultaneously when they are close to the boss; otherwise, use elemental attacks and pre-place if applicable (e.g. Guoba Attack).


4 Achievements match the category selection:

Achievement Category Description Requirements Primogem
Dry Clean Wonders of the World Wonders of the World Defeat the Hydro Hypostasis without destroying a single one of its Water Droplets (except when it is restoring HP.) 5
Bio-Oceanic Weapon Wonders of the World Wonders of the World Be hit by a certain animal created by the Hydro Hypostasis... Get hit by Hydro Hypostasis' "Dolphin Dive" attack. 5
Salt for My Foes, and Water for Me Challenger: Series V Challenger: Series V Obtain at least three healing orbs fired from the "water droplets" during the Hydro Hypostasis fight. 5
The Fraught Return Challenger: Series V Challenger: Series V Stop the Hydro Hypostasis from reviving itself without destroying any of the "water droplets" by placing obstacles or repelling them. 5


  • Each of the Hypostases are named after one of the letters of the Hebrew Alphabet, with "He" (Hebrew: ה He) being named after the fifth.
  • The Hydro Hypostasis is the only Hypostasis that does not use the Clap attack.
  • The Hydro Hypostasis has the most health among all the Hypostases.


Video Guides

How to Easily Beat the Hydro Hypostasis
Hydro Hypostasis Location

Mendacious Waves

Deceitful waters swirl in silence on one of Inazuma's westerly islands like an omen of disaster.
Defeat the Hydro Hypostasis hiding in this secret place and quell its foul waves.

Mendacious Waves.png

Other Languages

LanguageOfficial NameLiteral Meaning
EnglishHydro Hypostasis
Wúxiàng zhī Shuǐ
Signless Water
Wúxiàng zhī Shuǐ
Japaneseそう みず
Musou no Mizu
Signless Water
Korean무상의 물
Musang-ui Mul
Signless Water
SpanishHipostasis HydroHydro Hypostasis
FrenchHypostase HydroHydro Hypostasis
RussianГидро гипостазис
Gidro gipostazis
Hydro Hypostasis
ThaiHydro Hypostasis
VietnameseThủy Nguyên BảnPrototype Hydro
GermanHydro-HypostaseHydro Hypostasis
IndonesianHydro Hypostasis
PortugueseHypostasis HydroHydro Hypostasis

Change History

Released in Version 2.1
Version 2.3
  • Description in the Adventurer Handbook updated.
    • Old description: A high-level Hydro elemental life form codenamed "He".
      Hypostases have strong rejection properties, and will mercilessly expel any that test them. The logic behind their behavior remains a mystery.
      New description: Code Name: He. A high-purity Hydro entity.
      Hypostases have strong rejection properties, and will mercilessly expel any that test them. The logic behind their behavior remains a mystery.

Version 2.1

  • Hydro Hypostasis was released.