Fragment of Childhood Dreams is a new domain in Genshin Impact that got added with version 3.0, "The Morn a Thousand Roses Brings" update. The domain is located underwater in the Sumeru region and is hidden behind a series of puzzles that makes activating the Fragment of Childhood Dreams domain a rather daunting task.
How to Unlock Fragment of Childhood Dreams Domain
You can unlock the Fragment of Childhood Dreams domain by activating a series of Mechanisms. And Dendro Monuments near the waterfall found west of the Yazadaha Pool.
First, teleport to the Statue of Seven located north of Pardis Dahya and west of Yazadaha Pool. Once you are there, keep heading west till you reach the waterfall.
Glide down while facing toward the waterfall, and you find two Ruin Sentinels. Defeat them to unlock nearby Mechanism. Once that is done, active the Mechanism.
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Now, follow the Seelie towards the bottom of the waterfall. The Seelie will first go down and then move towards North, make sure you conserve your stamina to follow the Seelie. That aside, the Seelie will lead you to a cave where it will activate a Seelie Pillar that rewards you with a Common Chest.
After that, use Dendro attack on the nearby rock covered by vines. Doing so will reveal a Dendrograna Tree, with which you can interact to get Dendrograna. You will need it to break the nearby rocks hiding the Dendro Monuments. Locating these rocks is an easy task as you can see a spiral mark on them with a glowing Dendro color.
One such rock is found near the Seelie Pillar. Just break the rock with a charged shot while having Dendrograna on you. And make sure you don't activate the Dendro Monument. After that, destroy the rock near the Dendrograna tree. And follow the path till you see a Dendrograna above a broken structure. Grab and reach the top of the structure, and you will find another Dendro Monument.
This time around, you have to activate it. After that, defeat the nearby enemies. You will find another Dendro Monument behind a green barrier. Go to the left side of the barrier and head towards the corner. Climb up the wall and crawl towards the broken wall to get inside the barrier. Once you are inside, activate the Dendro Monument.
Now head towards the first Dendro Monument and activate it. Take some Dendrograna with you and again go to the broken structure. Now, look towards the right of the first Dendro Monument. You will find another rock with a glowing spiral structure.
Perform a charged attack to break the rock. Activate the last Dendro Monument to unlock the nearby Mechanism. Once you do that, go and interact with the Mechanism to unflood the lower part of the cave.
Head down and defeat all Ruin Sentinels to unlock yet another mechanism to open the nearby door. Follow the path till you reach the Fragment of Childhood Dreams domain entrance. There you have to do the last piece of the puzzle. It requires getting some Dendrograna from the nearby Dendrograna tree and shooting the Dendro object three times with a charged shot.
Doing so will break the seal on the Fragment of Childhood Dreams domain. After that! You can interact with it to unlock it.
Featured image courtesy of HoYoverse.