How to Defeat Antumbra’s Sword in Crimson Desert: Sanctum of Absolution Puzzle Solution

How to Defeat Antumbra's Sword in Crimson Desert
Key Takeaways
  • Focus Level 3 and parrying are the core of this fight
  • Red attacks cannot be blocked, always dodge them
  • Blinding Flash creates your biggest damage windows
  • Do not get greedy, short combos are safer and more effective
You walk into the Sanctum thinking it is just another fight, and then this boss wipes you out in seconds. Crimson Desert Antumbra’s Sword is one of those encounters that forces you to slow down and actually learn the mechanics. If you try to rush it, you will keep dying. The good news is that once you understand how this fight works, it becomes very consistent. This guide keeps things simple and shows you exactly what works without overcomplicating anything.

Preparation That Actually Makes a Difference

Most players struggle here because they go in underprepared. This boss punishes weak setups instantly. Make sure your gear is upgraded properly and you have enough healing ready. Focus Level 3 is not optional here. It is what allows you to control the fight instead of reacting late every time. Abilities like Blinding Flash and Keen Senses help a lot, especially when you are learning the timing. If your setup feels weak, leave and come back later. This fight becomes much easier with proper preparation.

Antumbra Sword Crimson Desert Attack Patterns You Must Know

Antumbra Sword Crimson Desert Attack Patterns

Image via YouTube/Guiding Light.

The Antumbra Sword Crimson Desert fight is not random. The boss repeats a few key patterns, and once you learn them, the chaos starts making sense. The red-glow attacks are the most dangerous. You cannot block or parry them, so the only option is to dodge cleanly. Trying to tank even one of these usually ends the run. Another major threat is the clone combo. The boss creates illusions that attack in sequence, and if you panic here, you get caught instantly. The safest way is to keep dodging until the entire sequence ends. There is also a teleport attack where the boss jumps around the arena. Instead of chasing it, stay calm and wait for the attack window. Lock-on helps a lot here so you do not lose track mid-fight.

Crimson Desert Antumbra’s Sword Boss Guide: Easy Strategy That Works

Crimson Desert Antumbra's Sword Boss Guide

Image via YouTube/GuidingLight.

This is where the fight becomes manageable. The entire Crimson Desert Antumbra’s Sword boss guide revolves around one simple loop. Enter Focus mode and wait for a normal attack. The moment the boss swings, parry it. A successful parry staggers the boss and gives you a clean window to deal damage. Repeat this process again and again. Each parry fills the yellow poise bar, and once it is full, the boss becomes vulnerable. This is where you deal the most damage. Blinding Flash is your best tool here. Use it when the boss is about to perform heavy attacks or when you need to interrupt a dangerous move. Follow it up immediately with a finisher and a full combo. If you want a more aggressive approach, you can use Axiom Force between attacks. Timing it correctly can stagger the boss repeatedly and build the poise bar very fast. It takes practice, but once you get it right, the fight becomes much shorter.

How to Avoid One-Shot Attacks

How to Avoid One-Shot Attacks

Image via YouTube/GuidingLight.

This fight feels unfair at first because of how often you can get one-shot. The trick is not to overcommit. Most deaths happen when players get greedy and try to land extra hits. Stick to short combos and back off. When the boss lifts the sword for wave attacks, either interrupt it with abilities or carefully move between the waves. Rolling blindly here usually gets you hit. If things get messy, use the arena space to reset. Backing off for a few seconds to heal or recover stamina is always better than forcing damage.

Sanctum of Absolution Puzzle Solution Explained Simply

Sanctum of Absolution Puzzle Solution Explained Simply

Image via Pearl Abyss.

After defeating the boss, the Sanctum of Absolution Puzzle still needs to be completed. Head inside the building opposite the arena and break the clay pots to find the first Reactor Core. Store it, then move forward until the floor collapses and drops you into a lower area. Grab the second core from the room nearby. Once you have both, place the round core on a broken pillar and use an aerial ability to fix it in place. Then insert the cube-shaped core into the main machine and activate it. That completes the puzzle and unlocks the rewards.

Crimson Desert Antumbra’s Sword Boss Guide Rewards

Finishing the fight in this Crimson Desert Antumbra’s Sword boss guide gives you one of the best early weapons in the game. You receive an Abyss Artifact and the Vessel of Dark Pursuit. This weapon is strong enough to carry you through a large portion of the game if you keep upgrading it. It also comes with a unique attack that mirrors the boss’s own moves, which makes it even more useful in future fights.

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FAQs

Why is Antumbra's Sword so difficult?

The boss combines high damage with fast attacks, and several moves can one-shot you if mistimed.

It is possible, but much harder. Focus mode makes parrying consistent and reduces risk.

Wait for parry openings, then use short combos instead of long aggressive chains.

Use it to interrupt heavy attacks or to create a guaranteed damage window after a stagger.

Yes, defeating the boss is not enough. You must complete the puzzle to fully cleanse the Sanctum.

Nilendu Brahma

Nilendu Brahma

Author

Nilendu Brahma is a gaming and tech writer who covers the latest news, guides, and updates across PC, console, and mobile titles. When not writing, he spends time exploring single player indie titles, because he is a hard-stuck Gold in Valorant.

Last updated: 29.03.2026
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