As you embark on your journey to challenge Nikador in *Honkai: Star Rail*, you'll have the chance to explore the fascinating Strife Ruins: Castrum Kremnos. This complex structure is filled with puzzles and numerous treasure chests waiting to be discovered. Let's guide you through each floor and reveal the locations of all the treasures you can collect.

Strife Ruins Castrum Kremnos B1

• Underneath the unstable bridge, you'll need to solve a Golden Scapegoat puzzle. Destroy the two red shields to uncover the treasure chest.
• Defeat a monster to claim another chest in this area.

• Solve a Prophecy Tablet puzzle right next to a flying amphora to secure a chest.
• Catch a Golden Short Spear to claim another chest near a flying amphora.
• Complete another Golden Scapegoat puzzle to uncover the final chest in this area.

Strife Ruins Castrum Kremnos F1

• Use Janus’ Hidden Passage to reach an area with a chest on top of a small field of grass next to a stone.
• Find a chest perched on top of a wooden box.

• Break the base of the stone ball north of the chest to claim it.
• Find a chest next to a stack of blue cubes.
• Collect three Coins of Whimsy using the Hand of Zagreus to reveal a chest.
• Locate a chest near a broken wall decoration.
• Discover a chest behind a statue near the spiraling staircase.
• Follow the circular path to find a chest north of the Silent Chisel Ground space anchor.
• Find a chest next to a flying amphora after collecting three Coins of Whimsy.

Strife Ruins Castrum Kremnos F2

• Find a chest next to the stairs near the shrine of prayers.
• Solve a Golden Scapegoat puzzle north of the Conquered Outlands anchor.
• Locate a chest south of the Kremnos Arena.
• Discover a chest on the west side of the Kremnos Arena.
• Catch a Golden Short Spear near a pile of fallen debris to claim another chest.
• Defeat the enemy guarding a chest near the entrance to Bloodbathed Battlefront Castrum Kremnos.
• Find a chest hidden behind a blue shield.
• Solve a Prophecy Tablet puzzle to uncover another chest.
• Use the Hand of Zagreus to reach a section with an additional chest.

Strife Ruins Castrum Kremnos F3

• Solve a Golden Scapegoat puzzle to uncover one chest.
• Go up the stairs near the Conquered Outlands anchor to find the second chest.

By exploring all floors of Strife Ruins Castrum Kremnos, you can uncover a total of 36 treasure chests, rewarding you with a substantial amount of Primogems. This comprehensive guide should help you navigate and conquer this challenging area in *Honkai: Star Rail*.

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