How do floating bubbles evolve in version 694 of "Pokemon White 2"?

Floating Bubble (Japanese_ポワルン Powalen, English_Castform) is a normal Pokémon.

Floating bubbles do not evolve

Floating bubbles have the ability to change forms according to the weather.

When there is no obvious weather change, or when there is heavy fog, sand, hail, or cloudy days, it will change to the normal form, which is the normal system.

When the sun is strong, it will turn into the sun form, which is the fire element.

When it rains, it will change into rain type, which is the water system.

When it snows or hails, it will turn into a snow cloud type, which is ice type.

The common folk translation of floating bubbles is Weather Boy.

The floating bubbles and cherry blossoms will change shape according to the weather.