Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Ultra Realistic Fire and Smoke Free.
Ultra Realistic Fire and Smoke
“If possible, please buy the package to support the developer”
Unity 5 compatible
Probably the most realistic fire in the store!
– Small fire
– Big fire
– Slow fire
– Torch fire
– Wall of fire
– Thick, burning oil like smoke
– Candle/oil lamp fire