Operator's staff can be looted from The Operator's corpse in Loc Muinne sewers during the quest From a Bygone Era.
- Operator's staff cannot be used to damage, nor to kill Dethmold's apprentice.
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I'm the Firestarter! Geralt Fries Nilfgaardians with Uber Magic Staff (Witcher 2 Loc Muinne)