Visual effects you can add to a scene as components, including particles, beams, decals, and indirect lighting.
Particle Effect
A CPU-simulated, fully programmable particle system built from components.
Beams
Animated line/laser effects, useful for things like tracers and lasers.
Decals
Project textures onto surfaces in the world.
Indirect Light Volumes
Baked grids of probes that add bounced indirect lighting to an area.