Killer Whale is a Potion in The Witcher 3: Wild Hunt.
- Location: Herbalist's Hut in Novigrad, located a short distance northeast of Oxenfurt, due east of the Gustfield's Farm signpost.
Captain's Chest in Ship Wreck at arrival to Ard Skellig
- Price: 25 Crowns
- Required Alchemy Level: 1
- Effect: Increases breath supply while underwater by 50% and improves vision while diving.
- Toxicity: 15
- Duration: 180s
- Charges: 3
5x Balisse fruit
5x Drowner tongue