Sorry, thought I replied.
1.
After making the research lab, one can upgade to Lv2 research. Then, build a University where Lv3 tech can be reached. Where is Lv4? It was once accessible, and is even now referenced.
2.
What of making katryx weapons beside the sword? On my old decice, I was able to craft them at some point along the way.
1. I don't think there ever was a country tier level 4. Where is it referenced? Perhaps it's level 4 of something else?
Either way, I would've only removed researches if they were unnecessary anymore, not to cut content for no reason. There were also several new researches added, so I don't think we have a problem here.
2. There is no recipe for katryx weapons besides the blade. It's the only weapon of this type. There are 4 katryx armors, which you can craft once you have the recipe, but no other weapons.
