- Which faction is stronger? (Necropolis, Tower, or Conflux)

The birds have more HP, plus there are monsters there. Here we are talking specifically about the strike stack or strike stacks for taking the Dragon Utopia as Tower. I get the impression that without high-level caches on the third week, even taking the minimum objective as Tower is very questionable. Neelka will probably be the one to take it, but even she will have a hard time ...
In other words, the main problem for me with Tower is the uncertainty regarding the strike stack combined with some slightly confusing gameplay in special buildings ...
Look. Necros have skeletons, Conflux has phoenixes, and maybe someone else too, and other castles have their own arguments — dendroids with dwarves, upgraded gorgons with hydras, minotaurs with troglodytes, while Tower has nagas (but most likely there won't be as many as desired — they will start on the first week with Stronghold) and a few giants ...