Sangonomiya Kokomi Best Build & Infographic Guide (v7.0 Meta Build)

Complete Sangonomiya Kokomi endgame build guide: Hydro Off-Field | Healer | Hydro Enabler. Best Weapon: Everlasting Moonglow, Artifacts: Ocean-Hued Clam. Main stat priorities, ER breakpoints, and premier team comps. Verified official meta build on TLDRBuild.

Element: Hydro | Weapon: Catalyst | Role: Off-Field | Healer | Hydro Enabler

Best Weapons for Sangonomiya Kokomi

#1 Everlasting Moonglow (R1) — Signature Best in Slot (100% baseline)
#2 Prototype Amber (R5) — High Performance 4★ Alternative
#3 Thrilling Tales of Dragon Slayers (R5) — High Performance Synergy Alternative
#4 Sacrificial Fragments (R5) — Top 4★ F2P / Accessible Option

Best Artifact Sets for Sangonomiya Kokomi

Ocean-Hued Clam (4pc) — BiS offensive healing set converting party-wide healing overflows into up to 30,000 physical damage sea-dyed foam bubbles.
Tenacity of the Millelith (4pc) — Premier support set providing 100% uptime on +20% teamwide ATK buff via continuous Bake-Kurage jellyfish pulses.
Song of Days Past (4pc) — Modern supportive alternative converting continuous healing instances into flat additive damage for the active party member.

Main Stats & Substat Priority

Sands: HP% | Energy Recharge
Goblet: Hydro DMG% | HP%
Circlet: Healing Bonus
Substat Priority: 1. HP% > 2. Energy Recharge (150–170%) > 3. Flat HP > 4. Elemental Mastery
Energy Recharge Benchmarks: Burst to refresh Jellyfish (Solo Hydro): 160–180% | Double Hydro Team: 140–155% | With Prototype Amber R5: 130–145%

Talent Priority

Skill — Kurage's Oath (Target Lv. 9): Summons Bake-Kurage jellyfish that heals active characters and provides steady 2-second AoE Hydro pulses.
Burst — Nereid's Ascension (Target Lv. 9): Dons Ceremonial Garment to refresh jellyfish duration, boost team healing, and scale attack damage off Max HP.

Best Team Compositions for Sangonomiya Kokomi

Permafrost Jellyfish Freeze Core: Sangonomiya Kokomi, Kamisato Ayaka (Main DPS), Shenhe (Cryo Buffer), Kaedehara Kazuha (Buffer / CC) — Bake-Kurage jellyfish provides 100% off-field Hydro uptime and team healing alongside Tenacity/TTDS buffs.
Bountiful Bloom Hydro Anchor: Sangonomiya Kokomi, Nilou (Bloom Enabler), Nahida (Dendro Buffer), Collei (Dendro Sub-DPS) — Provides massive survivability against self-damaging Bountiful Bloom core detonations.