Npp+tren+E2 might be interesting. But I think that you would need injectable E2 like enanthate or cypionate, maybe valerate, since npp+tren won't provide enough aromatization (https://diyhrt.cafe/index.php/ has sources for e2).
Npp and tren both have progestogenic activity which might downregulate ER further in some cases. It's hard to predict that. I guess experimentation is the only way.
Something I noticed before these. I didn't inject tren for 1 week, and just only short ester testosterone. When I inject tren, my libido dropped to zero after hours. I think this is probably estrogen receptor non responding, resistance whatever..