Here's the whole project created for the Flamethrower video tutorial. 
 
5 Flamethrower effects done entirely with Visual Effect Graph.
 
This package includes:
-2 Flamethrowers (2 customizable VFX Graphs)
-1 Healinghrower (1 customizable VFX Graphs)
-1 Electricthrower (1 customizable VFX Graphs)
-1 Toxicthrower (1 customizable VFX Graphs)
-Highly Customizable (change shader settings, color, size, speed, duration, etc in the inspector)
-Textures (smoke flipbook, impact flipbook, hits, circles, flares etc)
-HDRP and URP only
-Limited Mobile support (high-end mobile devices only)
-Documentation
 
Originally made in URP, adapted to HDRP.
Visual Effect Graph from the Package Manager is required.
Contact me for any questions (check my profile here in the asset store for contacts).
 
Made with Unity 2019.4, 2020.3 and 2021.3 in URP and HDRP.