Molotov Coctail for Mobile Game - Unity3D

I have a mobile game and I want to implement high quality molotov coctail with burn effect with Unity3D. I can provide the game character if necessary. No molotov bomb and effect asset is available. If necessary, recommended assets can be purchased and delivered by me. Remark: Since the game is mobile, the effects should not force the CPU/GPU. What is requested: - When pressed a button and hold: will display the projectile and the affected zone. - When the button released, throw the molotov. - The properties need to be adjustable (throw speed, range, aoe radiues, etc..) - When molotov hits something, i.e. enemy, the enemy will burn for a predetermined duration.