Rune Helm helm_rune

What it is for

Armor piece for the Head slot. Requires level 31 to equip.

Adds 9 defense. Has 2 card slot(s).

Sells to an NPC for about 8,575 gold. Weighs 34 of your carry capacity — and weight is what stops drops once the bag fills up.

The best source is Frozen Mud, at 0.20% per kill. You can farm it at Ice Caverns.