It depends on what size & level of rat you're referring to but there are lots of rats in runescape. One of the more common places would be the varrock sewers for lower leveled rats & Olaf's quest cave for brine rats which are higher leveled & they can only be accessed after you've completed Olaf's quest.
All I know is you have to kill monsters to get it.
Kill lots of lessers demons and greater demons, they drop rune armor.
the only ways to get rune rmor for free is to make it, get it in the party room drops, kill a monster, or clue scrolls for members.
kill rich players or trade lots of expensive items
find something easy to kill with a lot of hp.
Start the Witch's Potion quest in Rimmington. Kill a rat in Rimmington. There should be a tail.
No.
yes, it is.
www.runescape.com
Treasure Trails - Rune Scape Guides can be found at webpages like Rune Scape, Rune HQ, and Rune Scape Services and all explain how an individual can carry a clue scroll in the game.
you know when you kill goblins and they leave behind bones give the dog the bone to eat
The price constantly changes.