In this tutorial, learn how to create the iconic Flying Nimbus cloud effect using Niagara Particles in Unreal Engine 5.4! 
I’ll walk you through the process of setting up and customizing particle systems to achieve a stunning cloud-like appearance, perfect for any fantasy or action-packed game. Whether you’re a beginner or looking to enhance your VFX skills, this tutorial has you covered.
https://dev.epicgames.com/community/learning/tutorials/zj97/unreal-engine-flying-nimbus-cloud-niagara-particle-system-vfx-tutorial