It can be socketed into Weapons and Shields. It can only be inserted into Radiance or Meta rune slots.
Nartun is one of the Runes available in Lords of the Fallen (LotF). Nartun is a rune that grants mana upon killing an enemy for weapons and offers a small amount of mana regeneration for shields. It reflects the Church of Orian Radiance’s avoidance of studying the exact nature of mana.
The exact nature of mana is very rarely studied by the Church of Orian Radiance, for the idea that impious magic such as the infernal sorceries of the Rhogar might share some fundamental connection with the blessed gift of Radiance is heretical indeed.
It’s also important to note that if your weapon applies status damage (smite, bleed, poison & frostbite) and the enemy dies from an inflicted status, the mana gaining effect will not activate – the enemy must be killed with direct weapon damage.
The passive mana regeneration (when slotted into a shield) will activate if the shield is equipped, regardless of whether or not you meet the stat requirement to effectively use the shield. This effect also activates when two-handing your weapon.
Lords of the Fallen Items