at this point the time skip seems like the author saw this in another story and wanted to do it, without really understanding why. Maybe they did an outline of what they had and then had to add more?
If this was dragon b⚫ll our MC would get beaten up before the training arch.
The way I see it, this Hime girl is probably really good at gaslighting. She knows the whole plot of the game, and all the story elements. She probably told them that the MC likes to lie, and there might be precedent that there is only one saint. They have a saint, put that all together and...
If they're using like 7zip, in the folder with the images, you highlight all the images, right click and there is an option for
7-Zip -> Add to "Folder Name.zip"
Been doing that maneuver a lot with various minecraft resource packs this week.