Scissor icon - used to cut part of the image. Also killed the bad guy in this case
Bad guy had the copy/paste icons so he just created new versions/clones of himself
Bad guy also has the “lasso” icon. This is used to select a random area of the image (the dashed lines creating circles, you can then do different things to just the area selected
Checkerboard patterns indicate the “canvas” or what the image sits on. So almost null space
Though the slice guy killed a clone, the bad guy caught him in part of a selection and basically moved his legs out from him (when you make a selection, you can do anything you want with it, including moving it somewhere else)
Generative fill takes a selected area and kind of repeats it (similar to copy/paste)
bad guy keeps selecting different sections of space to kill the people
wizard uses a feature called magic wand which usually selects an area of similar colors. The tolerance is how similar it is (great for trying to select the outline of a person on a backdrop for example, it’d be a pain to to it by hand, but if they were in front of a green screen it would select all green colors that are touching, by increasing the tolerance you say “green and anything that’s close to it too”)
once he’s selected that massively large area, he proceeds to delete it and everyone/everything in it.
So I’ll try to explain what I can