Ipsissimus Tower in "Search in the Sea of Algae" the building goes under water and cannot be returned to the surface. However, you can find a large number of puzzles with rewards around, as well as hidden achievements.
In this article we will tell you what riddles are located near the Ipsissimus Tower, how they can be solved and how to get to the tower itself after the task.
How to solve all the puzzles at Ipsissimus Tower in Genshin Impact
Near the Ipsissimus Tower there are several hidden achievements. Let's look at each case in detail below.
Regular chests
The official map shows the places before and after the building went under water, so there are only two treasuries.
Two normal chests are on the ground before the tower is flooded. To get each of them, you need to defeat the hilichurls nearby. After the building sinks, these same caskets will move under the water with it. They float next to the tower and you can pick them up without much effort.
The riddle with the reed pipes
In the Ipsissimus Tower you will find a puzzle with reed pipes and dew bubbles. It is located on one of the upper floors of the building, and for solving it you can get a rich chest.
In order to claim a reward, you must first borrow xenochrome globular octopus ability, hitting him with a normal attack.
Then long press his skill to push the bubble lying on the gear in the southeast down and combine it with the ball in the center. Next, explode the large bubble to activate all the pipes at the same time.
Read in a separate guide about all the riddles with reed pipes in Fontaine.
Time trials
In the underwater space below the tower there are two tests. They can be performed both before and after the flooding of the Ipsissimus Tower.
Trial 1
You will find the first test in the southwest of the teleportation point, almost at the very bottom. Two xenochrome spherical octopuses will swim nearby. In order to get a precious chest, overcome 15 high-speed aqua rings in 300 seconds.
Trial 2
Another time trial is located southeast of the teleporter, almost at the surface of the water. You need to swim through the rings in 60 seconds and open a precious chest in the south near the ruins.
Read in a separate article about all tests in Fontaine.
Hydrocul on the roof
At the top of the Ipsissimus Tower is one of Hydrokulov. Before the building is flooded, you can reach it from the teleport nearby. Walk a little to the west and almost immediately you will see a Hydro Portal, which will take the character almost to the very top. Once at the top, climb further until you reach the peak of the spire, where you can get Hydroculus.
Read in the special manual, where to find all Hydrocules in Fontaine.
Mister Eliphas
Only after completing the quest “Search in the Sea of Algae”, when the tower drowns, can you go to the unique boss Mister Eliphas to defeat him and get a luxurious chest and a hidden achievement. You need to get to it from the teleport on an aircraft.
In a separate guide, they said how to find and defeat Mr. Eliphas.
Radiant Crystal
Among the special items on the tower you can find a musical radiant crystal for Serenity teapot. It is located in one of the protruding parts of the building on the east side. You can get to it either by using the Hydro portal before the tower sinks, or by swimming to the desired point from the teleport after the building is under water.
Read more in a special article about all radiant crystals in Fontaine.
Precious chest and NPCs
While exploring the surface around the tower, you can come across an unnamed man and a melusine, next to whom there is a precious chest. It will not be possible to take the chest, and the NPCs will accuse the Traveler of theft.
However, after the flooding of the Ipsissimus Tower, these characters will find themselves in the water on the wreckage and will help begin the world quest "Wish Granting Treasure Hunt". You will find the chest itself at the very bottom, lying at the base of the tower.
Read more in the guide where to find all the precious chests in Fontaine.
Fairy
One fairy can be found on a blue-green plant near the bottom to the west of the tower. The spirit will go to the shell, inside which it will close, after which you need to defeat several stingrays. For accompanying the fairy you will receive a rich chest.
Read more in a separate article, where to find all the fairies in Fontaine.
rich chest
You will find a rich chest in the outer part of the building. To get it, defeat the Meks nearby. Before the flooding, they stand on a gear, and you can get to them using Hydro portals. After the tower goes under water, the meks swim in a circle near the chest.
Local legend
A unique enemy, the local legend Chassanion, can be found at the very bottom under the tower. Defeating him will reward you with a hidden achievement and a precious chest. After the tower is under water, the enemy will also be able to be detected and defeated, but he will move inside the building.
In a separate guide, where to find and how to defeat Chassanion.
How to open the door near the Ipsissimus Tower
To the southeast of the Ipsissimus Tower you can find a locked door to the ruins, next to which there is a riddle with a route assembly. This age can only be opened during the quest "An Expected Lie", which is related to the explosion at the Fontaine Research Institute.
How to get to the Ipsissimus Tower
In order to be able to get into the Ipsissimus Tower, you need to start and complete a chain of quests "In the footsteps of Narcissus". After completing the task, the tower will be under water and you can go inside unlimitedly, but return the tower back to the surface it is impossible.
Upper floors
There are two ways to get to the upper floors of the building. The first, more familiar one, is a book on the table, which is located at the Institute of Natural Philosophy. For the second method, teleport to the Great Lake of Fontaine in Mort and swim to the tower spire, where you will find the window through which you ed during the task. Both paths will lead to a room with a clock in Ordo Narzissenkreuz, from where you can go lower through a crack in the floor, and then go out into the sea in the center of the tower.
Lower floors
To get to the lower floors of the tower, defeat the Meks floating around the rich chest and go inside through the door in the center. In this part you can find a mirror related to the quest "Through the Secret Mirror", as well as a local legend from Chassanion.
We hope our guide helped you solve all the puzzles at Ipsissimus Tower in Genshin Impact and get all the chests even after the structure was flooded. If anything remains unclear, ask questions at comments. Read about Genshin Impact guides on our website.
