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Descent Layers

Layer-by-layer survival notes for Casualties: Unknown, from Gravel Lands downward: hazards, priorities and loadout advice.

Deeper Gravel Lands — Layer 2 Hazards & Prep

Deeper Gravel Lands is layer 2 in Casualties: Unknown: darker gravel caves, flooding risk, extra traps, and cave ticks after Gravel Lands.

Last updated: 11/10/2026

Gravel Lands Guide — Layer 1 Survival Basics

Gravel Lands is layer 1 in Casualties: Unknown: community-reported terrain, early traps, flora for patching up, and what to prep before Deeper Gravel Lands.

Last updated: 11/10/2026