Rune Ring ring_rune

What it is for

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

Has 1 card slot(s). Material drop chance +4%. LUK +6. Damage against Plant +15%.

Part of the Runic Vigil set (11 pieces). With 2 pieces: EXP gained +5%. With 4 pieces: Chance to cast a Holy strike on attack 4%, Damage taken from Undead −10%.

Sells to an NPC for about 19,100 gold. Weighs 18 of your carry capacity — and weight is what stops drops once the bag fills up.

The best source is Ice Slug, at 0.11% per kill. You can farm it at Ice Caverns.