[quote=@Dulcet]
Say, do the shamblers walk only when they're marching and stalking, or are they slow while fighting as well; just that they're strong and tireless? What would you say their organization is like (if they have any?)
[/quote]

Slow in general!  They are usually found in packs of between ten and twenty; with a shambler shock trooper acting as their commander.  This group of shamblers that we will is led by a cultist.