On your journey to face Nikador in Honkai: Star Rail, you'll have the chance to delve into the abandoned Strife Ruins: Castrum Kremnos. This complex structure is not only a puzzle-solving haven but also a treasure trove, boasting 36 treasure chests across its various floors. Let's explore how to locate and unlock each of these valuable caches.

How To Get All Strife Ruins Castrum Kremnos in Honkai Star Rail

Strife Ruins Castrum Kremnos B1

Image by The Escapist

Strife Ruins Castrum Kremnos is a labyrinthine structure, with treasure chests scattered throughout its floors. Here's where to find them on B1:

• Beneath the unstable bridge, you'll find a chest. Solve the Golden Scapegoat puzzle by destroying the two red shields to claim it.
• Defeat a lurking monster to secure another chest.

Image by The Escapist

On the northeastern side of the structure, the other section of B1 awaits with more chests:

• Solve a Prophecy Tablet puzzle to uncover a chest next to a flying amphora.
• Catch a Golden Short Spear to access another chest near another flying amphora.
• Another Golden Scapegoat puzzle awaits, leading you to a third chest.

Strife Ruins Castrum Kremnos F1

Image by The Escapist

On the first floor, you'll encounter more treasures:

• Use Janus' Hidden Passage to reach an area with a chest on a small grassy field next to a stone.
• Find a chest perched atop a wooden box.

Image by The Escapist

• Utilize the Hand of Zagreus to access a section where you must break the base of a stone ball north of a chest to reach it.
• Locate a chest next to a stack of blue cubes.
• Collect three Coins of Whimsy with the Hand of Zagreus to reveal a chest.
• Find a chest near a broken wall decoration.
• Discover a chest behind a statue near the spiraling staircase.
• Follow the circular path to uncover a chest north of the Silent Chisel Ground space anchor.
• A chest next to a flying amphora will appear after collecting three Coins of Whimsy.

Strife Ruins Castrum Kremnos F2

Image by The Escapist

The second floor is the hotspot for treasure with numerous chests, but be wary of the monsters roaming:

• Find a chest next to the stairs near the shrine of prayers; solve a Golden Scapegoat puzzle to claim it.
• A chest north of the Conquered Outlands anchor awaits.
• Locate a chest south of the Kremnos Arena.
• On the west side of the Kremnos Arena, catch a Golden Short Spear to reveal a chest.
• Near a pile of fallen debris, defeat the enemy guarding a chest.
• Near the entrance to Bloodbathed Battlefront Castrum Kremnos, find a chest.
• A chest hidden behind a blue shield requires solving a Prophecy Tablet puzzle.
• Use the Hand of Zagreus to reach a secluded section with a chest.

Strife Ruins Castrum Kremnos F3

Image by The Escapist

The third floor is more modest, hosting only two chests:

• Solve a Golden Scapegoat puzzle to uncover a chest.
• Ascend the stairs near the Conquered Outlands anchor to find the final chest.

That's a comprehensive guide to collecting all 36 treasure chests in the Strife Ruins Castrum Kremnos area of Honkai: Star Rail. With these rewards, you'll gather a significant amount of Primogems to aid your journey.

Honkai: Star Rail is now available on PlayStation, PC, iOS, and Android.