AAA Candle Flames | Fire & Explosions | Unity Asset Store
Low Poly Candles & Lamps - 3D Sauce
Vertex shader flame, Subsurface Scatter on the wax and a scripted flicker made our cooperative horror game's candles look awesome! More info in the comments. : r/Unity3D
Working with Lighting in Unity - Unity Learn
Detailing My HDRP Horror Game Beyond your Fear : r/Unity3D