What is the current Sea of Conquest collaboration?

The September 2026 crossover is Fist of the North Star, with Mamiya and Kenshiro among the major hero additions.

Is Mamiya worth pulling?

She is a top-end Cutthroat hero. She is most compelling if you already have the ship/partners to support that build and can reach useful stars.

He is a premium flagship-defense hero. Compare the star level you can reach against the defender he would replace.

Do not assume they will. Treat future availability as uncertain until FunPlus explicitly announces a rerun.

Only when the achievable investment produces a real upgrade. Unlocking a famous hero at low stars can be worse than finishing an accessible one.

heroes•

Intermediate

Updated 9 September 2026Verified 9 September 2026

Published: 18 August 20264 min readChecked against: September 2026 crossover update