Save your game immediately after the boss cutscene. A known bug in version 1.2 can reset your water level puzzle progress if you quit without saving.
Now, take a breath, check your inventory, and dive into the next adventure. Did this walkthrough help you? Leave a comment below with your fastest boss clear time. For more guides, check out our Ultimate Collection of Hidden Level Walkthroughs.
Do not use melee in Phase 1. The Serpent’s thrashing tail deals 40% damage per hit. Phase 2 (75% – 40% Health) Water level rises to your knees. Morgath now dives and resurfaces randomly. Watch for bubbles. When you see a tight cluster of bubbles, jump straight up—it will breach beneath you. Land on its back and attack the second weak point with your strongest melee strike. Phase 3 (40% – 0% Health) The grotto partially floods. You must swim and fight. Morgath summons small eel minions. Ignore them (they despawn after 10 seconds). Focus on the final weak point at the base of its tail. lost lagoon walkthrough
Destroy the three small crates here. One always contains a Map Fragment showing unmarked trap locations. Step 2: Dodging the Razorfin School As you enter the open lagoon, you will see ripples on the surface. That is the Razorfin School—piranha-like creatures that swarm in 15-second intervals.
When Morgath’s health bar flashes red, swim directly into its open mouth. Yes, you read that correctly. Inside, you will find a single crystal. Strike it once. The Serpent will recoil and collapse. Chapter 6: 100% Completion – All Secrets & Collectibles A "walkthrough" isn't complete without 100% completion. Here is where every hidden item is located in the Lost Lagoon: Save your game immediately after the boss cutscene
Wait for the ripples to fade, then swim diagonally toward the half-sunken boat at the 2 o’clock position. Do not swim straight. The AI of the Razorfins predicts straight-line movement.
Lost Lagoon —the name itself conjures images of misty waters, hidden temples, and forgotten treasures. Depending on where you are reading this, "Lost Lagoon" might refer to a specific popular level in a video game (such as Crash Bandicoot , Pirates of the Caribbean , or a Roblox RPG), a real-world hiking trail (such as the famous Lost Lagoon in Stanley Park, Vancouver), or a tabletop RPG dungeon map. Did this walkthrough help you
For the purpose of this comprehensive guide, we are focusing on the : the immersive, puzzle-heavy, adventure-style Lost Lagoon level found across various open-world and platformer games. This walkthrough will provide you with a 100% completion strategy, including how to find every secret, avoid every trap, and conquer the final boss of this watery maze.