How To Open the Frog Cave in 99 Nights in the Forest

Learn how to open the Frog Cave in 99 Nights in the Forest using Frog Keys, the whirlpool entrance, and defeat the Frog King boss.

Frog Cave Door (Image via Roblox Corporation)
Frog Cave Door (Image via Roblox Corporation)

The Frog Cave is one of the newest dungeons in 99 Nights in the Forest, which was recently added with the Frog Invasion Update. Unlocking it requires collecting special Frog Keys and finding the whirlpool entrance that leads to the cave. Inside, you’ll battle waves of frogs and face off against the Frog King, who drops rare poison-themed loot.

In this guide, we will tell you how to collect all Frog Keys, unlock it, and clear the Frog Cave.

Steps to Open the Frog Cave in 99 Nights in the Forest

1. Wait Until Frogs Spawn

New Frog enemies (Image via Roblox Corporation)
New Frog enemies (Image via Roblox Corporation)
  • Frogs begin appearing between Day 3 and Day 5.
  • An on-screen message will say: “Something is emerging from the ponds.”

2. Obtain Frog Keys

Fishing Frog Key (Image via Roblox Corporation)
Fishing Frog Key (Image via Roblox Corporation)

You’ll need eight Frog Keys to unlock the cave. Keys can be collected in two ways:

  • Fishing in Ponds: Use a fishing rod (found at the Fishing Shack) to fish in ponds once frogs appear. Each pond contains its own key.
  • Defeating Frogs: Large blue frogs guarding ponds have a chance to drop keys, though it’s less consistent.

3. Locate the Whirlpool

Whirlpool (Image via Roblox Corporation)
Whirlpool (Image via Roblox Corporation)
  • Look for a large whirlpool in any pond.
  • Jump inside to teleport into the hidden Frog Cave.

4. Unlock the Door with Frog Keys

Openening the Frog Cave (Image via Roblox Corporation)
Opening the Frog Cave (Image via Roblox Corporation)
  • Inside the cave, you’ll see a green door with eight keyholes.
  • Place each Frog Key into the slots until the door opens.

5. Enter the Cave and Battle the Boss

Frog Boss (Image via Roblox Corporation)
Frog Boss (Image via Roblox Corporation)
  • Once inside, prepare for waves of frogs followed by the Frog King.
  • The Frog King can poison you, so bring poison-resistant gear and ranged weapons.
  • Defeat him to claim loot such as poison armor and rare equipment.

Also read: How To Get Poison Master Class In 99 Nights in the Forest

Rewards

Frog Pond Rates (Image via Roblox Corporation)
Frog Pond Rates (Image via Roblox Corporation)

After you have successfully cleared the room, you can now open the chest located on the left side of the room, which will give you:

  • Frog-themed gear
  • Poison-resistant equipment
  • Rare crafting materials

Tips

  • Fishing is the most reliable way to get keys.
  • Equip poison resistance before fighting the Frog King.
  • Use ranged attacks to safely take down frogs and avoid poison damage.

FAQs

How Many Frog Keys Do I Need To Open the Frog Cave?

You need eight Frog Keys in total.

Where Do I Get Frog Keys?

By fishing in ponds after Day 3 or by defeating large blue frogs.

Can I Solo the Frog Cave?

Yes, but it’s easier in a group since the Frog King can poison and overwhelm solo players.

What’s the Best Gear for the Frog King Fight?

Bring poison-resistant equipment and ranged weapons for a smoother battle.

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