The Cave can be accessed once a week
Swimming back to the cave multiple times will make the message "You probably shouldn't disturb the cave too often..." appear on screen.
Gaining Access
- Either eat Gillyweed or cast the Bubble-Head Charm on yourself or equip a Muggle Underwater Breathing Apparatus
- Enter the Main Yard
- Click the image of the lake in the top right hand corner of the Yard Image
- From "The Lake" click the text "Under the Lake" just below "Hogwarts - Main Yard
- From "Under The Lake" click "The Cave"
Events
Swimming to the cave will either pop up a message "Something is inside the cave come back later" where or if the cave's empty click the "Approach" Button.
You will then feel beneath you and pull something up from the ground.
Items Discovered
- Seaweed
- Waterlogged Library Book
- Soggy Unopened Chocolate Frog
- Rope
- Nothing - Failed to collect items
- Durmstrang Flag
- Mermaid Comb
- Mermaid Necklace
- Crate of Gillyweed