To collect every hidden treasure chest in the Ferzen Raid in The Seven Deadly Sins: Origin, search off-path crevices, overhead beams, and scaffolding across four distinct sectors before crossing into the final boss arena. Stepping into the boss chamber triggers a lockout barrier that permanently seals earlier chambers for the rest of the run, forcing an entire reset if any containers are skipped.

Bring at least one character equipped with a vertical jump skill, wall leap, or extended glide to reach high perches without falling into chasm resets.

Sector 1: Entrance Shaft and Starting Corridor

Gather the first three chests immediately upon spawning into the mine before pulling the primary monster waves down the main corridor.

  • Entry Platform Alcove: Turn right immediately from the starting spawn point behind the wooden timber supports. A chest sits hidden in the shadowed recess against the wall.
  • First Decline Crevice: Walk down the primary ramp toward the first gate and inspect the left rock wall. Squeeze through the narrow crawlspace to reach a standard chest guarded by ambient cave scavengers.
  • Overhead Timber Beam: Look up at the first iron archway. Use a character with a vertical leap or wall climb to hop onto the overhead crossbeam directly above the doorway.

Sector 2: Mine Cart Rails and Upper Scaffolding

The central excavation cavern holds four chests spread across multiple vertical tiers. Clear local patrols before starting platforming jumps, as enemy knockback attacks can push you off the narrow scaffolding.

Chest LocationElevation LevelNavigation RequirementLoot Category
Broken Rail Dead-EndMid-level trackFollow the eastern rail track split past the switchGear Refinement Stones
North Scaffolding TowerHigh wooden platformClimb the central support pillar, then glide to the ladderWeapon Enhancement Ore
Suspended Cart BasinMid-air crane hookJump from the top tower crane arm and glide to the cartRare Dungeon Currency
Underside Rail TrestleLower chasm overhangDrop carefully to the cliff shelf directly below the railsCore Crafting Reagents

To reach the suspended cart without falling into the chasm, climb to the peak of the North Scaffolding Tower. Walk out along the extending crane arm, jump outward, and deploy your glide at the peak of the leap to land inside the hanging cart basin.

Sector 3: Winding Tunnels and Chasm Ledges

The transit corridor between the excavation sector and the inner sanctum hides two containers that do not register clearly on the minimap.

  1. Debris Barricade: Watch the right-hand wall halfway down the winding tunnel for cracked wooden planks and stacked mine debris. Attack the barricade with standard physical attacks or weapon skills to break the wood and access the ornate chest behind it.
  2. Chasm Perimeter Ledge: Stop before crossing the iron chain bridge over the subterranean drop. Step onto the narrow stone shelf hugging the rock wall immediately to the left of the bridge footing. Edge around the corner to loot the hidden chest, then glide back to the chain bridge.

Sector 4: Pre-Boss Staging Area

Sweep the perimeter outside the luminous boss barrier before interacting with the encounter trigger.

  • Left Flank Steam Pipe: Head left of the fog gate toward the venting steam pipes. Climb the iron ladder tucked behind the pipe assembly to access an upper metal catwalk. The chest sits next to the valve wheel at the far end.
  • Right Flank Rubble Heap: Walk to the right side of the staging area past the glowing crystal formation. Climb the rock mound and drop into the narrow depression behind the iron buttress to claim the final chest buried under the arch.
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Sarah Williams

Sarah Williams

Sarah specializes in RPG and collection games, explaining team building, character growth, and beginner-friendly ways to avoid expensive early mistakes.