The Flying Nimbus allows Goku to fly around the world atop a small cloud. This guide on How To Get Off Nimbus In Dragon Ball Z: Kakarot explains how to dismount the Nimbus when you want to run around and explore on foot or fly, as Goku can fly without Nimbus in much of the game.
A quick note. There are certain parts of the game where you are forced to fly in the Nimbus, this includes sequences played as both Gohan and Goku. During these scenarios, you cannot dismount or explore on foot, you are forced to progress through to the next sequence while staying mounted on the Flying Nimbus at all times.
How To Get Off Nimbus In Dragon Ball Z: KakarotThe Nimbus works the same way as other mounts, such as the DBZ Kakarot Car. Certain characters at certain points in the game, usually Intermission chapters, can summon a vehicle if it has been unlocked. Once you have unlocked R&D fully, you can begin building machines and other alternative forms of travel.
For the Nimbus, dismounting is simple. You press Down on the D-Pad. Up on the D-Pad brings up your different options of mounts and vehicles. Down on the D-Pad unsummons the mount so you’re free to progress on foot. If this method does not work, you’re in part of the game where it’s necessary to remain on Nimbus.
in Dragon Ball Z: Kakarot Guides