I have found that in order for this to actually count the items and determine if it should keep or destroy a forage this: /varset ItemsHave [color=red]${FindItemCount=${Cursor.Name}}[/color] |If we're keeping this, put it in Inventory |Otherwise destroy Needs to be changed to this: /varset ItemsHave...
2.5-3 hours seemed to be about right for melee shroud varietys.
Caster type shrouds seem to take longer, bandage more often and die about once every 30-40 minutes for me, still pondering if I can tweak it to make it more efficient for them.