XolWat is a legendary Runeword created by combining a Xol Rune of Ritual and a Wat Rune of Invocation.
How to Create XolWat
You can create XolWat by adding the legendary Xol Rune of Ritual and the rare Wat Rune of Invocation to a two-socketed Helm, Chest Armor, Pants, or Two-Handed Weapon.
Xol - Invoke a Skill from another Class. (150)
Wat - Invoke the Necromancer's , Slowing enemies, reducing their damage, and letting you Execute them. (100)
Horrid Decrepify
Overflow
XolWat can not overflow because the Wat Rune does not have an overflow effect.
Overflow occurs when your Ritual generates more Offering than required for the Invocation. The overflow effect is proportional to the amount Offering overflows.