In this Unreal Engine 5 Niagara tutorial, you will learn how to smoothly fade out, erode, or change the color of particles right before or as they die! Instead of particles vanishing abruptly, we explore multiple workflows for both collision-based kills and kill volumes.
https://dev.epicgames.com/community/learning/tutorials/wroEG/how-to-fade-or-erode-particles-when-their-life-finishes-in-unreal-engine-5-niagara