C1: The Leisurely "Meztli"...

The DMG dealt by the first Sharky's Surging Bite after Mualani enters Nightsoul's Blessing and the Shark Missiles it triggers is increased by 66% of Mualani's Max HP. This instance of increased DMG is subject to the diminishing DMG rules of Surfshark Wavebreaker.
In addition, while out of combat, Mualani's Nightsoul's Blessing state consumes 30% less Phlogiston and Nightsoul points.

C2: Mualani, Going All Out!

Mualani gains 2 of Surfshark Wavebreaker's Wave Momentum stacks when she enters Nightsoul's Blessing state. She will gain 1 stack when obtaining a Puffer.
In addition, whenever Mualani obtains 2 Puffers within a single instance of the Nightsoul's Blessing state, she will recover an additional 12 Nightsoul points over 2s. This effect requires the Passive Talent "Heat-Resistant Freshwater Floater" to be unlocked first.

C3: Surfing Atop Joyous Seas

Increases the Level of Surfshark Wavebreaker by 3.

C4: Sharky Eats Puffies

Mualani regenerates 8 Energy when obtaining a Puffer. Must first unlock the Passive Talent "Heat-Resistant Freshwater Floater."
Additionally, Boomsharka-laka deals 75% increased DMG.

C5: Same Style of Surfboard on Sale!

Increases the Level of Boomsharka-laka by 3.

C6: Spirit of the Springs' People'

'The DMG increase from the Constellation "The Leisurely 'Meztli'..." is no longer limited to being triggered once every Nightsoul's Blessing.