Sion having locked his plans was the only concrete thing in this episode. I'm not sure what the whole escapade of Ryner wanting to save the kid brings to the story. It's not like we didn't already know he strongly sympathises with the ordinary folk and their suffering. Unless this somehow ends up developing the Alpha stigma lore, it's a bit wasted time. Their travels should be about finding artefacts, after all. And eating dango.