FusionDex

Slight changes in wind and pressure send ripples through the water bubble on its head. Its fin detects these ripples, using them to predict when it will rain.

Often, when Castkip is rained on, it takes this form. Castkip loves to run through puddles, but because its body absorbs water, this frolicking causes it to become very heavy.

On land, it can powerfully lift large boulders by planting its four feet and heaving. It alters its form depending on the weather.