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I'm just saying, it seems a bit strange to expect them to add modern lighting rendering, simulation of fabric destruction, and interaction with fluids to an old game. Especially when there's no original source code for the game, and even more so when the game isn't a first-person shooter, but a turn-based strategy game.
Is all of this really that important in a game like Heroes 5? And wouldn't simply replacing the models with more, shall we say, "high-quality" models already improve the visuals? (I put "high-quality" in quotes because it's not really an accurate term, but I think the point is clear: I'm referring to more detailed models from more recent games in the series.)