For example, let's say I have 2 sprite nodes (but could also be more than 2) like this:

with each having their own separate images
What I want is to combine them and create a new sprite node with a single image (in tool mode)

like this:

Perhaps it's possible by using

The reason I added self_modulate=Color("#74646464") is so that there is no confusion between the merged image and the child sprites (like a ghost image)

Though I still feel like there might be a better solution, if so please post one