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Dear Leshy and Optimal. All of this is correct, but:
1) In the Life faction, they not only strengthened the Crusaders but also improved the "Resurrection" spell and moved "Guardian Angel" to the 4th level. They also strengthened the "Resurrection" skill, and, moreover, if you collect the Ankh of Life (a cross-like artifact) and the Staff of Saint Reinan, 100% of fallen troops are resurrected after the battle! - This is a significant enhancement, you must agree.
2) Haven was both strengthened and weakened. That is, against Chaos, Haven has become more combat-ready, because now only the Castle is needed to build Titans, which has become cheaper, and Nagas have been given a triple attack; of course, Djinns still remain a very useful unit, at least for clearing the map, but also... another good point is that they moved "Blind," "Phantom," to the third level.
3) 2 Leshy, Haven's units are not slow; Djinns + Dragon-Golems + the hero have a very fast movement speed.