Sangonomiya Kokomi 
✦ Hydro Support / On-field Enabler Guide ✦
Welcome to my Kokomi Guide! This guide will focus on her Support and On-field Enabler playstyles, covering basic info to advanced tips.
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✦ Full Infographic (TL;DR) ✦
✦ Talents Overview ✦
Normal Attack: The Shape of Water
A decent 3 hit sequence with a strong but stamina consuming Charged Attack. Your preferred attack combo will generally be N2D/W (2 Normal attacks cancelled by a dash or movement). At C1 it is often worth to cancel your animation after the 3rd attack instead.
Elemental Skill: Kurage's Oath (Jellyfish)
Summons a Bake-Kurage that deals Hydro DMG in AoE while healing nearby characters based on her Max HP.
• Damage and healing are applied every 2 seconds, generating on average 0.66 energy per hit
• Casting the skill will briefly apply Wet to Kokomi, resulting in the ability to cleanse some debuffs or freezing herself
• Only one Bake-Kurage can exist at a time
✦ Elemental Burst: Nereid's Ascension ✦
Deals Hydro DMG to surrounding opponents, activating the Ceremonial Garment buff for 10 seconds
Ceremonial Garment
• Her Normal Attack, Charged Attack and Elemental Skill DMG are increased based on her Max HP
• Normal and Charged Attacks that hit opponents will restore HP to all party members based on her Max HP
• During the Burst she will have increased resistance to interruption and the ability to walk on water
✦ Ascension 1: Tamanooya's Casket ✦
Using her Burst will replenish the duration of her Elemental Skill; note that this will NOT refresh the cooldown, the jellyfish has to be on-field for the duration to be refreshed
✦ Ascension 4: Song of Pearls ✦
Her Burst HP scaling will increase based on 15% of her Healing Bonus; Hydro Resonance does NOT count as Healing Bonus and does not work with this Talent
✦ Passive: Flawless Strategy ✦
Provides Kokomi with 25% Healing Bonus while decreasing her Crit Rate by 100%
• This passive is what makes Kokomi want to build HP and Healing Bonus even in a DPS scenario
• She can technically still crit given enough Crit Rate but it's not advisable and just a meme build
✦ Talent Priority ✦
Talent priority depends on what kind of playstyle you are going to play Kokomi in:
• For an On-field/DPS playstyle, you want all her Talents decently levelled up at the same time with a priority on her Burst and Attacks
• If she is used as a Jellyfish bot, you should prioritize her Skill followed by her Burst, skipping the Normal Attack Talent entirely
✦ Artifact Sets ✦
• 4 Ocean-Hued Clam
One of the few characters with a "signature" Artifact set, this set is generally your go to for both Kokomi's playstyles: Off-field Support and On-field Enabler/DPS;
• 4 Tenacity of the Millelith
With a good rotation and enough Energy Recharge she will provide the team with a 20% ATK bonus with a 100% uptime; this is usually her best option in freeze teams
• 4 Heart of Depths
If you only care about her Hydro damage this is good but Ocean-Hued Clam will always provide higher damage overall
• 2 mix | HoD / TotM / OHC / MB
Depending on her role it is especially ok for her to just use anything that has the correct stats without forcing a set
Main/Sub Stats
• Sands is HP % or ER %. Go HP on: well built artifacts with enough ER in substats, with Ocean-Hued Clam set or if you just don't care about her Burst (not even to refresh her Skill)
• Goblet is Hydro DMG or HP %. HP can be used if you don't care about her damage at all and want to focus on her heals (Freeze teams)
• Circlet is Healing Bonus or HP %. The priority is Healing Bonus, HP will just perform worse in terms of damage AND healing in any scenario
Your substats will focus on ER %, HP %, flat HP and ATK %
You will need around 22k to 24k minimum HP to trigger the full Clam Set Damage effect
✦ Weapons ✦
✦ On-field Enabler / Support ✦
• Thrilling Tales of Dragon Slayers This book is not just good because it is cheap, it will often offer the highest team DPS at the cost of proper rotation management
• Everlasting Moonglow Signature weapon that offers her the highest personal damage and an Energy gain passive
• Prototype Amber Second best damage option for Kokomi and easy to obtain (craftable), it's basically a 4 star Moonglow
• Hakushin Ring Another good craftable option but only for Taser Teams. Even in these teams Thrilling Tales might come on top for total team damage. It really comes down to rotations and teams, a good way to get the best out of both books is having someone like Sucrose carrying TTDS
• Sacrificial Fragments Worth mentioning but I wouldn't recommend it; in a freeze team where you only care about her Elemental Skill uptime it sounds decent but then the EM substat is completely wasted
Note: Generally there's no need to pull for her weapon or anything particular. Thirlling Tales will do or, if you care about her personal damage, Prototype Amber
✦ Teams ✦
Perma Freeze
Kokomi is an amazing option for this kind of teams: She will provide: Heals, ATK Buffs (TTDS + Tenacity) and 100% uptime on Hydro application to perma freeze enemies. Remember that the Jellyfish cannot be repositioned but the duration can be replenished via Burst. These teams are very flexible and accept many units, for example: Ganyu, Shenhe, Kaeya and Rosaria as Cryo units.
Gears: She will rarely if ever attack, so TTDS will be your go to weapon. Sacrificial Fragments allows you to refresh and reposition your Elemental Skill, making it less valuable but easier to play. The Tenacity set is also preferred because not attacking means Ocean-Hued Set is not fully used
Electro-Charged
Yet again Kokomi provides everything the team needs while filling the healer slot. This team is not limited to Beidou and Fischl and works with many Electro units (especially the above, Raiden, Lisa and Yae). The best Anemo unit here are Kazuha and Sucrose but any Anemo holding the VV set will do a good enough job.
Gears: Hakushin Ring is good when paired with a Sucrose holding TTDS
Sukokomon
The Sucrose Pokémon Team! A very specific team in both rotation and units. The concept is to basically proc multiple reactions at the same time;
Electro-Charged is very unique and will keep both Hydro and Electro auras on your enemies making any new element proc a reaction for both, add some Guoba shenanigans, Sucrose and BOOM! You won't even be able to read how many numbers are going to pop on your screen :D
It is a strong and somewhat cheap team that requires in-depth studies before playing. Please someone video on it before even attempting it, the rotation goes as follow:
Fischl E > Kokomi E > Xiangling E > Sucrose N1 E N2 E N1 > Xiangling Q > Kokomi Q N2C N2D N2C > Fischl Q > Xiangling E > Sucrose N1 E N1 Q > Sucrose N3D x5 (rotation made by terraflop, please check their youtube)
Vape Enabler
Using Kokomi's frequent Hydro applications to make Xiangling Vaporize her Burst; it can be difficult to pull off when enemies move too much or require you to dodge or stop attacking a lot.
She can enable other Pyro DPS while being off-field (Yoimiya / Diluc / Hu Tao) but she is really not ideal as Xingqiu simply does a better job, extra Elemental sources will ruin your reactions and rotations
There are definitely more teams that you could run Kokomi in but they are either very off meta or a slight variation of the above, she is usually welcome in most teams.
There we go!
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✦ More Advanced Guides ✦
✦ [2.5] Raiden Shogun https://www.hoyolab.com/article/3722617
✦ [2.5] Yae Miko https://www.hoyolab.com/article/3446583
✦ [2.5] Fischl https://www.hoyolab.com/article/3402593
✦ [2.4] Ganyu (Melt) https://www.hoyolab.com/article/2071609
✦ [2.4] Zhonlgi https://www.hoyolab.com/article/2013546
✦ [2.4] Yun Jin https://www.hoyolab.com/article/1999353
✦ [2.4] Shenhehttps://www.hoyolab.com/article/1906084
✦ [2.4] Xiao https://www.hoyolab.com/article/1883274
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