How did the 694 version of Pokemon White 2 evolve?

Floating bubble (Japanese _ ポワルンンンンンンンンンンンンンンンンンンンンン

Floating bubbles have not yet evolved.

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

When there is no obvious weather change, or when there is fog, sand hail and cloudy days, it will become a general pattern, which is a general system.

When the sun is strong, it will become sun-shaped, which is inflammation.

When it rains, it will become a rain type, which is a water system.

When it snows or hails, it becomes a snow cloud type, which is an ice system.

The popular folk translation of Floating Bubble is Weather Boy.

Floating bubbles and cherry blossoms will change their patterns with the weather.