In this fantasy game, we have rifles, pistols, machine guns, tanks, supertanks, submarines, helicopters, artillery, airships, radio communications and electronic warfare, sentient robots, and (admittedly magical) lasers. To be quite honest, I dont really mind all that. In my mind, the innate magical defenses of battlefield participants allow them to close the gap and engage in good old fashioned medieval combat in order to take and occupy ground.
What I do mind, however, are the battlefields in which we see large scale action take place. Usually, we find ourselves in combat with technologically inferior dragon minions, that usually rely on spells and tooth and claw to fight. Such battles, probably most notably against mordremoth, are fought in a sort of guerilla, skirmishing style, using ad-hoc strategies and convenient plot devices. This is a trend that can also be seen against zhaitan and kralkatorrik, in which dragon forces are more or less simply left to wander around zones they control, as opposing forces are just allowed to move around inside enemy territory. No front line exists, no operation is too daring.
I mention all this because it conveniently explains the environment in which we fight - that is to say, any environment will do. since things move so quickly, and operations are so dynamic, we never find ourselves in a battle that grinds into an ongoing thing. however, we now find ourselves against a foe with roughly equal footing. the dominion, and subsequently the frost legion, presumably have the means and intelligence to meet the pact toe to toe, blow for blow, and bog them down into a real fight. It then stands to reason with me, that any drawn-out operation involving the aforementioned tools of war, along with the destructive spells of a fantasy setting, would quickly transform any jungle, forest, desert, tundra, grassland, beachhead or mountain into a blasted, muddy hellscape resembling a typical frontline from the 1940s. And this is a setting that I would wholeheartedly welcome. We have seen it occur in a very limited fashion around lighthouse point and port cascadia, but I'd like to see at least one map dedicated to its execution in its entirety. I believe one of the lead designers has mentioned wanting more maps resembling a sort of PvE version of WvW, and this sort of theater would fit in very well with the upcoming story and proposed design in the future, with machines of war duking it out and simultaneous objectives spread up and down the line.