You really need to go to Discord and ask about this there. https://plarium.com/forum/en/throne-kingdom-at-war/839_news--updates--and-contests/53_lords--join-our-channel-on-discord/
Only because this is currently under active investigation and discussion - there is much good stuff there. Because there are so many levels, and many are trying, I don't expect this level of discussion activity to diminish any time soon.
Latest I believe I have heard is: 0, 55, 45, 0.
The first and last sections inherently growing sufficiently by themselves as part of exploring / equipment accomplishment.
And, an observation that many materials present do not serve as inputs to current equipment - so there is an expectation that more and better equipment will come eventually.
- count on it being necessary, to kill the 'Alpha' at the highest level.
- much like only Amarian gear was available in the Citadel for the longest time ... then came Doghrish and Whessian gear.
YYMV. I have enough other game areas incomplete, I have not yet dared to compound the problem by opening up yet another (this) Pantora's box. 😀