NeoOno is a rare Runeword created by combining a Neo Rune of Ritual and a Ono Rune of Invocation.
How to Create NeoOno
You can create NeoOno by adding the rare Neo Rune of Ritual and the magic Ono Rune of Invocation to a two-socketed Helm, Chest Armor, Pants, or Two-Handed Weapon.
Neo - Avoid health damage while fighting for 2 seconds. (200)
Ono - Invoke the Druid's Dancing Bolts, seeking and dealing damage to enemies. (25)
Overflow
When NeoOno overflows, you receive the Ono Rune's overflow effect (Increased Bolts Spawned) 7 times.
Overflow occurs when your Ritual generates more Offering than required for the Invocation. The overflow effect is proportional to the amount Offering overflows.