Shield Wall Fighting - how would you model it?

[DanHoward]

Originally Posted by Verjigorm

Are we accounting for full-bodied stallions of lines that are bred especially for ferocity and truculence? .

Some horses definitely WILL impale themselves on a line of spears. The question is whether there are enough of them to break the formation. There certainly are examples of cavalry charging an intact line of spearmen/pikemen and breaking through to cause havoc within the lines.