Eh, I'll disagree on that. Each of the board game scenarios is replaced in the adventure with set battle scenes where the PCs are in the middle of a big battle, but are sort of confined to their little bit of it, where they fight some significant NPCs and some other foes. If they go outside of that zone, they enter "The Fray", which is the area the rest of the battle takes place, and where they will take random damage from the fighting going on there (which of course will tend to cause the PCs focus on their own area and not wander off). It's not quite the same, but it's a decent substitute if you don't have the board game, and some of them have interested me enough that, even though I've ordered the board game, I might very well have my group do some of them as well. They're also done in a typically modular fashion that they could be re-used for homebrew and other campaigns that might see the PCs in the midst of a big battle.