Giants of any kind. Giants of any kind.
The best monster to kill in Runescape would be the King Black Dragon.
Scorpians.
a nobermom
Frost Dragon Bones
hill giants and pick up their bones them bank them
Hill giants.
Moss Giants are ok at dropping them.
Black dragons is the best!
Big bones. Paying members have much better options, for raising prayer level.
Green dragons
There is no "best" armor in runescape, but armor such as the "nex" armor (Torva, Virtus, & Pernx) are some of the more elite types. Nex armor is dropped by the monster Nex in the gwd.
Dragon Bones on a Gilded Altar.