User blog comment:Master Sima Yi/Assassinews 02-08-'12 — Official AnvilNext Trailer/@comment-101.173.42.147-20120803114042/@comment-3202167-20120803115340

Here we go: Dynamic weather changes, with 4 seasons, that effect gameplay *Snow effects movement, for example* uneven terrain, the crowd feels more alive now, they react to each other, as you said, 1000 man battles.

Those are a few, and also the custom tech of the Naval.