Multiple Background Images for Elementor is a new feature that will allow you to put multiple images as section/column/container background.
You can position them precisely in the element and apply filters for a particularly attractive rendering , define your own repetition rules and manage their size.
Follow this tutorial to add multiple images on the background of an element
Mountains Cerro Torre and Cervin
Images superimposed with the ‘Blend mode’ Screen
Five images in SVG format
Four background images in each corner and one in the middle repeated
Four background images in each corner and Lottie animation background