NocOhm is a legendary Runeword created by combining a Noc Rune of Ritual and a Ohm Rune of Invocation.
How to Create NocOhm
You can create NocOhm by adding the rare Noc Rune of Ritual and the legendary Ohm Rune of Invocation to a two-socketed Helm, Chest Armor, Pants, or Two-Handed Weapon.
Noc - Inflict a Crowd Control that isn't Slow or Chill. (10)
Ohm - Invoke the Barbarian's , increasing your damage dealt by 15% for 6 seconds. (600)
War Cry
Overflow
NocOhm can not overflow because the amount of Offering you receive from the Noc Rune exactly fills the required Offering of the Ohm Rune.
Overflow occurs when your Ritual generates more Offering than required for the Invocation. The overflow effect is proportional to the amount Offering overflows.