http://motiondesign.school/products/frame-by-frame-handdrawn-fx

A course on drawing and animating special effects like smoke, natural phenomena and organic forms. Gain frame-by-frame animation skills essential for any software. In this course, you will learn not just how to animate special effects, but also how to actually draw them. We will dive deep into the principles of how to animate any type of energy. Liquids, morphings, smokes, bubbles, etc.