What Creature On Runescape Drops Runes?

A few high and low level creatures on the game of runescape such as flesh crawlers in the dungeon of stronghold of security 2nd floor they drop fire,air,earth runes and even ankous levle 75,90,85 flesh crawlers are levle 28 it depens what combat i would sugest ankous if your are a hight levle like me i am a cb lvl of 120 i go to ankous they drop death and blood but if your r levle 40 or under to about 30 go to flesh crawlers 2nd floor of stronghold in barbarian village and flesh crawlers max hit is 1 so dont take food bud......