The giant lobster is fought during Ghosts Ahoy in the wrecked pirate ship directly north of Alice's husband's farm, which is west of Port Phasmatys. It emerges from a chest which contains the Map scrap, when players attempt to open it. Once it has been defeated, the player can then search for the scrap.
Item Quantity Rarity GE market price Seaweed 1 Always 40
Item Quantity Rarity GE market price Ensouled scorpion head 1 Common (1/25) 894
- Despite being a lobster, it is considered a scorpion towards a Slayer assignment and has a chance of dropping an ensouled scorpion head.