What is the license on this asset?

I worked on a large image of 49XXx70XX in pixatool. It looked right before export, but when I looked after export, there...

Currently, when editing images in pixatool v157, it seems that the alpha channel is lost when selecting a pallete. Howev...

I purchased Pixatool a few months back and have been loving it, thank you so much. I'd like the 1-bit tileset you're cur...