I’ve always been…uncomfortable?… with how the group and horde tags work. Philosophically, what they mean for a monster is “this individual monster is a member of a horde/group”, and the rules for creating monsters make group members weaker than solitary and make horde members weaker than group members. This approach makes sense, if you assume that tracking each member of a horde/group separately is desirable.
It seems to me, however, in a system that abstracts the way DW can, that this is not desirable. Maybe this is just too much time spent with Anima Prime talking, but it seems a lot more manageable to me if the monster was the group or horde as a whole, a single stat block for the collection, instead of one hit point track for each member. Then the group and horde tags actually change combat, both mechanically and fictionally.
Unfortunately, hacking the system to do this is a bit challenging, not because it is hard to see how to do it, but because you’d need to change a bunch of different stuff to make it work right. (In particular, it wouldn’t really sing until playbook moves allowed different character types to gain different advantages/disadvantages interacting with groups/hordes.)
Before I go down the road of actually doing this, has anyone played with this idea before?