C1: At Water's Edge

While donning the Ceremonial Garment created by Nereid's Ascension, the final Normal Attack in Sangonomiya Kokomi's combo will unleash a swimming fish to deal 30% of her Max HP as Hydro DMG.
This DMG is not considered Normal Attack DMG.

C2: The Clouds Like Waves Rippling

Sangonomiya Kokomi gains the following Healing Bonuses with regard to characters with 50% or less HP via the following methods:
* Kurage's Oath Bake-Kurage: 4.5% of Kokomi's Max HP.
* Nereid's Ascension Normal and Charged Attacks: 0.6% of Kokomi's Max HP.

C3: The Moon, A Ship O'er the Seas

Increases the Level of Nereid's Ascension by 3.

C4: The Moon Overlooks the Waters

While donning the Ceremonial Garment created by Nereid's Ascension, Sangonomiya Kokomi's Normal Attack SPD is increased by 10%, and Normal Attacks that hit opponents will restore 0.8 Energy for her.
This effect can occur once every 0.2s.

C5: All Streams Flow to the Sea

Increases the Level of Kurage's Oath by 3.

C6: Sango Isshin

While donning the Ceremonial Garment created by Nereid's Ascension, Sangonomiya Kokomi gains a 40% Hydro DMG Bonus for 4s when her Normal and Charged Attacks heal, or would heal, any party member with 80% or more HP.