A realistic Explosion was created in Unreal Engine 4.27 using the Niagara Particle System. I used Houdini to render the main explosion's flipbook and other participating smoke elements. Extra texture assets have been created procedurally in Substance Designer.
Realistic Explosion(Made with Niagara Particles in UE 4.27)
Secondary view of the Explosion in the engine.
Houdini View Port While baking the simulation on the flipbook texture.