
Traitor
EpicQuests

Uncover and confront the traitor within your own ranks.
Type
Main Story
Faction
The Unyielding Shields
Chapter
Chapter 6
Region
Hernand
Difficulty
Hard
Estimated Time
12-15 minutes
Location
Calphade Castle Throne Room
Walkthrough
- 1Follow Stefan Lanford to the throne room chamber
- 2Encounter Cassius Morten — first shield-wielding boss opponent
- 3Equip Tauria Curved Sword and stock healing items (50+ Grilled Meat ideal)
- 4Begin combat — Cassius uses shield block and long attack chains
- 5Spam heavy attacks (R2/RT) to damage through shield blocks
- 6After three heavy hits, boss interrupts — follow with light attacks for combo
- 7Use Blinding Flash (L1+R1) then Blinding Flash Finisher (R2) to stun and burst
- 8Lure Cassius toward standing pillars to break them with his attacks
- 9Use Nature's Grasp (Triangle+Circle) to grab broken pillars and slam into boss
- 10Repeat heavy attacks and environmental damage until Cassius is defeated
- 11Cutscene plays — Shield of Betrayal awarded, quest completes
Tips
- Cassius is first boss using shield mechanic — heavy attacks pierce defense
- Nature's Echo skill from Kliff's shop duplicates heavy attack effects for pressure
- Environment damage (pillars): massive blunt damage if you can slam them into boss
- Fire resistance food helpful — Cassius applies fire element during attacks
- Healing items critical — cook 50+ Grilled Meat at Hernand cooking stations pre-fight
- Be patient with dodge timing during his long attack chains before retaliating
- No armor disguise option during this fight — full combat engagement required
NPCs Involved
- Cassius Morten
- Stefan Lanford
Rewards
Shield of Betrayal
Featured in Guides
- Crimson Desert Beginner Guide: 10 Things to Do FirstSkip the rookie mistakes. The 10 most important things to do first in Crimson Desert — controller setup, stat priority, inventory, food, fast travel, and silver.
- Crimson Desert: How to Make Silver Fast (Silver Farming Guide)10 proven ways to farm Silver fast in Crimson Desert — from a free 190-Silver Gold Bar in your first hour to passive bank investments and Golden Apple loops.
- Crimson Desert Inventory Guide — Hernand Commissions, +10 Bag, Greymane 81-Slot PathNo storage chests exist anywhere. Maximize bag slots: +3 per Commission quest, +10 from a hidden Extra Large Bag, +81 from all 27 Greymane Commissions. Full route inside.
- Crimson Desert Bounties Guide — Live Capture, Double Loads, 2x SilverBounties pay 2x for live capture vs kill. Tackle, punch 3 times to confess, then load TWO outlaws onto your horse. ~10 silver each, 10-20 min loops.
Last updated: March 2026