One Piece Episode 1037 -

The permanent addition of Zeus to the Clima-Tact significantly boosts Nami's combat capabilities for the rest of the raid.

Nami and Zeus land a finishing blow on Ulti, finally ending her pursuit of Tama. One Piece Episode 1037

The Heart Pirates discover Luffy sinking underwater after his defeat by Kaidou. The permanent addition of Zeus to the Clima-Tact

Available on Crunchyroll and Netflix (regional availability may vary). Episode Type: Canon (essential for the main story). One Piece Episode 1037