CirLum is a magic Runeword created by combining a Cir Rune of Ritual and a Lum Rune of Invocation.
How to Create CirLum
You can create CirLum by adding the magic Cir Rune of Ritual and the magic Lum Rune of Invocation to a two-socketed Helm,
Chest Armor,
Pants, or
Two-Handed Weapon.
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Overflow
When CirLum overflows, you receive the Lum Rune's overflow effect (Increased Resource Restored) 4 times.
Overflow occurs when your Ritual generates more Offering than required for the Invocation. The overflow effect is proportional to the amount Offering overflows.