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Honkai: Star Railgets a lot more exciting whenever a new area gets released to the game since it usually comes with a new main story and exploration. While the game might not be completely open-world, the developers have still done a great job at making the exploration immersive, especially in Penacony.
During the Version 2.2 update, three areas were added to this region, and Dreamflux Reef is the first one you unlock as you progress through the story. This is one of the most straightforward areas you’ll find in the Land of Dreams, but it still has a ton of hidden treasure.

If you’ve acquired 18 chests in Dreamflux Reef and are only missing the last one, there arehigh chances it could be the ninth chest on the upper floorin this article.
Lower Floor Chest Locations
The lower floor of Dreamflux Reef is much smaller than the upper one, and here are all the chests you’re able to find in it:
How To Get
1
Teleport to the only Anchor on this floor and head to the south direction.Once the path gets divided into two, you’ll find this chest on your right.

2
Right beside the first chest, you’ll see some pink bubbles.Interact with these bubbles andanswer all the questions correctlyor go through a fight to get the first Lordly Trashcan.

3
Teleport back to the Anchor on this floor and head in the northern direction this time. Turn to theright on the second path you seeand the chest will be tucked in a corner.

4
Keep going north and take thenext right into an alley, you’ll find the chest at the very end.

5
Once again, keep heading northuntil you can turn rightto find this chest.

Upper Floor Chest Locations
The upper floor of Dreamflux Reef is where themain part of the area is, and this is also where you’ll get most of the chests:
Teleport to the bottom left Anchor of the upper floor and head all the way to the bottom left side. You’ll find this chest in thesmall part that’s going further downthan the rest of the area on the map.

To the left of the first chest on the map, you’ll find yoursecond Lordly Trashcan of this areasurrounded by two bigger trashcans.
From the same bottom left Space Anchor, headall the way to the leftand you’ll find this chest on the edge.

Teleport to the bottom left Anchor once again to find this chest in a littlesecluded area just to the north of it.
Can be found in theJessie’s Snacks restauranton the left side.
6
This one is tucked beside the stairs when you exit Jessie’s Snacksfrom the right sideon the map.

7
Teleport to the Anchor near the elevator leading you to this area and you’ll find this chestright above the elevator itself. You can get to it by taking the stairs to the left or right.

8
From chest number seven, headall the way to the southand you’ll find it at the end.
9
To get this chest, you’ll first have to submit anAideen Token to the signpostnear chest eight. you’re able to see the location of this signpost by reaching the dotted lines on the map.
Once the token is submitted, you may get to a new area to get this chest.
10
Teleport to the right Space Anchor and you’llfind this chest on the edge.
11
From the same Anchor on the right, go a bit to the left and you’llsee some stairs leading downwardto this chest.
12
When you look at the middle section of the map, you’ll see two stairs leading inward.Head to the bottom left stairsand you’ll find this chest below them.
13
After getting all 12 chests above, head all the way to the north and you’ll find this chestjust before you reach the top.
14
The final chest can be found by teleporting to the top Anchor andlooking to the southwest side of the room.
Apart from all these chests, you can still get some special chests fromvarious puzzles in the area. Moreover, you can also get Stellar Jades by finishing various side quests that you can find in Dreamflux Reef.