Our initial thought was the same as yours, have the player fall in the nearest adjacent square prone. Of course, if you got to the point where three or four opponents were knocked prone (for whatever reason), problems start coming up based on the geometry of the dungeon. I suppose we'll just...
We figured it might end up something like that, but due to a ridiculous power, some nasty situations could arise.
So in a fight with a decent number of opponents, it's possible that multiple enemies might try to advance past a certain choke point for whatever reason and be knocked prone in...
Whether or not you could end in that square wasn't exactly my question. If you are in a square with a prone ally, could you either go prone or be forced prone, meaning that there would be two prone creatures in the same square? Where in the RAW does it state that you can't end your movement in...
Can more than two creatures occupy the same square if only one of the creatures is not prone? Or more specifically, can you become prone (through any means) in a square in which another character is already prone?
Example: You end your movement in a square occupied by a prone character. No...
Just to clear up a question related to this discussion, instead of one guard in this scenario, imagine that there are two guards that have readied this identical charging action.
When the trigger happened, I imagine both charges would take place in order of initiative and the second charge...