Within the new Fontaine area in Genshin Affect, you’ll discover a locked valuable chest in the course of a lake, however the water is scalding sizzling and the slightest contact will harm you. Attending to the chest generally is a little troublesome, however cooling down the boiling lake will lead you on an journey via a hidden cave that has one more puzzle.
Learn on to learn how to open the valuable chest in the course of the lake and easy methods to quiet down the lake to disclose a submerged luxurious chest.
Boiling Lake puzzle location
![Location of the boiling lake puzzle marked on the map of Fontaine in Genshin Impact](https://cdn.vox-cdn.com/thumbor/pP8zQVc1oLGIZnuEvQYDYEU4PmI=/0x0:1600x900/1200x0/filters:focal(0x0:1600x900):no_upscale()/cdn.vox-cdn.com/uploads/chorus_asset/file/24856967/GI_Boiling_Lake_Puzzle.png)
Graphic: Johnny Yu/Polygon | Supply photographs: Hoyoverse through Polygon
The boiling lake may be discovered to the south of Elynas and to the east of West Slopes of Mont Automnequi. Stroll south alongside the trail from the Statue of the Seven to discover a lake that damages you for those who contact it.
The right way to open the chest in the course of the boiling lake
![Location of the three water vulume detection crystals surrounding the boiling water puzzle in Fontaine in Genshin Impact.](https://cdn.vox-cdn.com/thumbor/0a71kDsipAAu6QqWQDFSEL0bi8o=/0x0:1600x900/1200x0/filters:focal(0x0:1600x900):no_upscale()/cdn.vox-cdn.com/uploads/chorus_asset/file/24857112/GI_Water_Crystal_locations.png)
Graphic: Johnny Yu/Polygon | Supply photographs: Hoyoverse through Polygon
To unlock the chest, you’ll want to search out three water quantity detection crystals across the lake and transfer them to the middle.
1. Head over to the crabs by the lake, and defeat them to unlock the crystal.
2. Work together with the crystal to maneuver it to the middle of the lake.
3. Transfer in direction of the second location marked within the picture above, and work together with the Ousia Block, the purple orb on high of the tree.
4. Hit the Pneuma Block, the golden pillar, to unlock the crystal, and work together with it to maneuver it to the middle of the lake.
5. Go across the lake to the third location, and set the thorns on hearth to unlock the third crystal.
6. Work together with it to maneuver the final crystal to the middle of the lake.
7. Journey to the chest on the middle of the lake by gliding or swimming, and seize the miraculous hydrograna, the orb of water, above the chest.
![Mona standing in between three water volume detection crystals at the boiling lake in the Fontaine region in Genshin Impact.](https://cdn.vox-cdn.com/thumbor/5Wyks__Vfkz1bDJtNW3uA383hzQ=/0x0:1600x900/1200x0/filters:focal(0x0:1600x900):no_upscale()/cdn.vox-cdn.com/uploads/chorus_asset/file/24857160/GI_Mona_with_Precious_Chest.png)
Picture: Hoyoverse through Polygon
8. Step within the lake for a break up second to afflict your character with hydro, inflicting the Hydrograna to create a circle of water round your character.
9. Stand within the middle of the three water crystals to activate all three of them on the similar time, unlocking the chest.
However wait, there’s extra! When you open the chest, a present will seem that may ship you to a hidden cave with one other puzzle.
The right way to quiet down the roiling lake
Inside the hidden cave, you’ll discover a hydro pillar, a Pyro Abyss Mage, and a few Pyro Slimes.
1. Defeat all the enemies earlier than fixing the puzzle.
2. Make your method to the hydro pillar and comply with the blue path to the north to discover a pedestal for a Hydro Core and a lit campfire.
![Hydro stone on top of some orange grass in a cave in the Fontaine Region in Genshin Impact.](https://cdn.vox-cdn.com/thumbor/iEVUkFGVP1j96cFq_JuffA1gseE=/0x0:1600x900/1200x0/filters:focal(0x0:1600x900):no_upscale()/cdn.vox-cdn.com/uploads/chorus_asset/file/24857316/GI_Hydro_Stone.png)
Picture: Hoyoverse through Polygon
3. Flip round to discover a Hydro stone, and break it to realize a hydrograna, which can flip right into a Hydro Core as your character is affected by Hydro.
4. Depart the Hydro Core within the pedestal by the fireplace, after which comply with the blue path that results in the east to search out one other pedestal and campfire.
![Box containing a hidden hydrograna in a cave in the Fontaine region in Genshin Impact.](https://cdn.vox-cdn.com/thumbor/9LMzZgwLcqFB6EcGEl5O0Ko1yQk=/0x0:1600x900/1200x0/filters:focal(0x0:1600x900):no_upscale()/cdn.vox-cdn.com/uploads/chorus_asset/file/24857344/GI_Box_and_Hydro_Core__1_.png)
Picture: Hoyoverse through Polygon
5. Look to the south to discover a picket field beside the wall.
6. Break the field to unleash a hydrograna, and step into the water for a break up second to afflict your character with Hydro — turning the hydrograna right into a Hydro Core.
![Hydro slimes hiding inside barrels in a cave in the Fontaine region in Genshin Impact.](https://cdn.vox-cdn.com/thumbor/wI3M5TKtYJZCt1l8MAiuq1KGf08=/0x0:1600x900/1200x0/filters:focal(0x0:1600x900):no_upscale()/cdn.vox-cdn.com/uploads/chorus_asset/file/24857355/GI_Hydro_Slime_Barrels.png)
Picture: Hoyoverse through Polygon
7. Place the Hydro Core into the pedestal and comply with the final path to the southwest to search out three Hydro slimes hiding inside barrels.
8. Break the barrels and acquire the three hydrograna, which can flip right into a Hydro Core.
9. Place the Hydro Core into the pedestal and return to the unlocked Hydro Pillar.
10. Swap to a Hydro character and activate the Hydro Pillar, filling the cave with water.
11. Work together with the present above the Hydro Pillar, which can drop you off in entrance of a valuable chest and Iron Viscount, a big crab.
![Iron Viscount, a gigantic crab, guarding a precious chest in an underwater cave in the Fontaine region of Genshin Impact.](https://cdn.vox-cdn.com/thumbor/3r_-gKIKbhO1yYu8-i6MjrYlVLg=/0x0:1600x900/1200x0/filters:focal(0x0:1600x900):no_upscale()/cdn.vox-cdn.com/uploads/chorus_asset/file/24857381/GI_Precious_Chest_underwater.png)
Graphic: Johnny Yu/Polygon | Supply picture: Hoyoverse through Polygon
12. Open the chest and keep away from the struggle by swimming previous Iron Viscount into the present behind it.
13. Swim alongside the present till you emerge from the water.
14. Enter the room on the proper to search out one other present, which can return you to the roiling lake and funky it down.
15. Dive into the lake to discover a luxurious chest and acquire your primogems.
![A sunken luxurious chest found under the boiling lake in the Fontaine region of Genshin Impact.](https://cdn.vox-cdn.com/thumbor/sPxCFMTqimZ9aff4EnBptmA-jR8=/0x0:1600x900/1200x0/filters:focal(0x0:1600x900):no_upscale()/cdn.vox-cdn.com/uploads/chorus_asset/file/24857388/GI_Sunken_Luxurious_Chest.png)
Picture: Hoyoverse through Polygon