Complete walkthrough for Tower of Fantasy Ruin D-01, including Fufu's side quest, the laser beam puzzle, finding Fufu's cookbook, and defeating Commander Habaka.
Upon entering Ruin D-01, you'll find yourself in a fungi-themed room. Jump onto the rocks and interact with Fufu, an NPC who offers a side mission. Accept the quest and proceed up the ledge, defeating the Aberrants you encounter. Continue this pattern until you reach a point with two paths: one for the side quest and one for the main ruin progression.
Fufu’s Quest: The left path leads to a giant fungus where you'll fight an Aberrant, a Canine, and a Goliath. The Goliath has a shield and deals significant damage, so use dodges wisely. After defeating them, loot two mushrooms from the giant fungus's stem. Climb the stairs and jump onto the fungus's cap to get the final mushroom. Return to Fufu to complete the quest and learn about a missing cookbook.
Walkthrough Continued: Head up the stone stairs to the right into a new cavern. A cutscene will explain the red laser puzzle. Clear out the Aberrants, including Elites with heavy charge attacks, as you make your way through the cavern.
Laser Beam Puzzle: At a stone structure, push the cube to direct the laser beam. Follow the beam and shoot any laser spheres covered in branches with a fire weapon to burn the roots. Using the Composite Bow is recommended for this. After clearing the spheres, the beam will reach a stone statue. Push the statue into the beam to direct it further. Continue following the beam to a final object that, when connected, unlocks the boss room.
Fufu's Cookbook: Before the boss room, locate Fufu's cookbook. Climb the first purple fungi on the left side of the cavern with moss. The cookbook is on top of this fungus.
Commander Habaka Guide: Commander Habaka is the final boss. Its main attacks include a Charged Punch (dodgeable due to charge time), Jump Swipe (outrange or dodge), and a powerful four-piece Combo that can be deadly. Habaka also uses a Shield to reduce damage and a Dive Attack (move out of the red circle). If defeated, return to camp and re-enter the room to prevent the boss's health from resetting.
Ruin D-01 Chest Locations: The first chest is located on top of a stone pillar in a room covered by roots.
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