Demon slayer torso

The Demon slayer torso is level 60 Ranged equipment that is a rare drop from the boss of the Demon Flash Mob. According to Brother Celerity, this armor existed in the Third age. It was blessed by Saradomin and given to demon slayers to increase their capabilites towards demons.

Although it's level 60 equipment, it has an armour rating in between that of a Green d'hide body (99, at level 40) and a Blue d'hide body (162, at level 50), while the Lifepoints boost is equal to the Black d'hide body (1440, at level 60).

Note that the armor's street price in successful trades is higher than the listed Grand Exchange price by about 2 orders of magnitude.