Cockroach Soldiers drop a wide variety of items in RuneScape and have since been less killed as a better alternative, Grotworms, has opened up after a recent update. Cockroach Soldiers now always drop Carapace, which can be crafted for crafting experience. Cockroach Soldiers do have access to the rare drop tables, but offer fairly invaluable regular drop items and therefore are not killed as commonly any more due to newer and better monsters.
The most expensive drop you can get on runescape is the corrupt dragon battleaxe at 3.9m
bones
They will attack you, and they can drop loot. see this page: http://www.tip.it/runescape/index.php?rs2monster_id=238
No.
hill giants and hobgoblins drop them sometimes
Right click the rocks and say "drop".
To drop items, you go to your inventory, right click on the item you want to drop, then use the drop command.
It has no use. You can drop it.
check out the link
If he does not drop it then you obviously did somethign wrong.
I am not a big fan of drop parties.
This feature is under "Account Management" on Jagex Runescape Homepage, drop down menu.