Use turbo mode (Shift+GreenFlag) and turbowarp if you want it to finish today: https://turbowarp.org/806268255?turbo When you press green flag you'll see these sliders: MaxBounces: It defines the limit of bounces that a ray can perform. Res: How big are the pixels. The bigger, the faster the image will be generated, but with less resolution. Cycles: The amount of rays that are sent per pixel. More rays make a better image, but it needs more time. Press green flag again to render the image
