There is plenty to look at in the Beautiful One Piece Odyssey and this is an absolutely perfect game to play on the Steam Deck.

Settings are simple with this one, Medium default preset and turn motion blur off.

Set the Steam Deck display to 40Hz, cap the Framerate at 40 FPS and make sure V-Sync is enabled in game.

Now you can Enjoy around 2 hours of battery life playing One Piece Odyssey on Steam Deck with an almost flawless 40 FPS in every situation.