Fireball special effects produced using Unity Particle System, applicable to Unity version 2017.2.1 or above Render Mode of unity 2019 and above needs to select Standard Detailed instructional videos： https://www.youtube.com/watch?v=W2NGSFhnlM0

You can use it for commercial purposes.

Unity Version：2017.2.1 (up) Render Mode of unity 2019 and above needs to select "Standard"(Built-In Render) URP and HDRP modes are not supported

After downloading, please unzip the file first, and then import the Package file into Unity.