I like making it harder to get onto the 15c's . but there needs to be some way to get the crop you need to feed your troops. If there are going to be rewards for fighting with the new NPC villages ,maybe you could win options to level up crop fields in your villages . one level on one field at a time , limited to maybe 3 fields per village, then you could keep building troops and feed them while you get big enough to tackel the NPC and Natar villages. I think this would help keep players involved. I need to read over everyones comments again. But overall I like the concept.