Tainted Grail Sanctuary of Sarras Guide: What's New

This Tainted Grail Sanctuary of Sarras guide covers the first paid expansion for The Fall of Avalon, which drops you into a sunken realm most players never even suspected existed under the main story's Act 2 content. What follows covers what the DLC actually adds, how to reach it, and the one boss fight that's been documented well enough to prepare for.

TL;DR: Sanctuary of Sarras ($14.99, released Dec 15, 2025) opens during Act 2 once you reach Cuanacht in the Apocalypticists quest. It adds roughly 15 hours across 20+ dungeons, more than 100 new items, and 3 swappable skill trees (Warrior, Rogue, Mystic) unlocked from sacred shrines. Enemy levels scale to your character, and the DLC adds 4 boss fights, though only Sir Lohengrin, a two-handed hammer boss, is well-documented right now.

Tainted Grail Sanctuary of Sarras guide: what it actually is (quick answer)

Sanctuary of Sarras is a sunken, underwater region added as paid DLC to Tainted Grail: The Fall of Avalon, unlocked during Act 2. It reveals the fate of Sarras and the rebel crew who defied Arthur roughly six centuries before the story you're playing, and it adds new gear, new skill trees, and new enemies on top of that story content.

Key takeaways

• The DLC costs $14.99 and unlocks during Act 2 when you reach Cuanacht in the Apocalypticists quest.
• You can leave and return to Sarras freely, but finishing the DLC's content locks you out of the zone permanently.
• Around 15 hours of content across 20+ dungeons and interiors.
• 100+ new items: armor, melee weapons, bows, rings, and amulets.
• 3 new skill trees (Warrior, Rogue, Mystic), sourced from sacred shrines that also weaken nearby enemies once activated. Only one tree is active at a time, but you can swap freely.
• Enemy levels scale to your character, so there's no "wrong time" to dive in once it's unlocked.
• 4 boss fights ship with the DLC. Only Sir Lohengrin is well-documented right now.

Overview

This guide covers Sanctuary of Sarras as it launched on December 15, 2025, priced at $14.99 on top of the base game. Reviews for the DLC specifically sit at Very Positive, 439 of 508 reviews positive, a separate score from the base game's own Steam listing.

What this guide covers: how to access the zone, what new systems it introduces, the enemy roster, and the one confirmed boss fight. What it doesn't cover: a full walkthrough of all 20+ dungeons, since a paid expansion this size deserves more than a rushed room-by-room breakdown, and the other 3 boss encounters, since I couldn't confirm their names against a reliable source. If you've fought them and want to correct that gap, the wiki page for this DLC is still marked as a work in progress.

What Sanctuary of Sarras actually adds

The DLC opens a new underwater realm accessed during Act 2, once you reach Cuanacht during the Apocalypticists quest. The story hook is specific: Sarras and its crew defied King Arthur roughly six centuries before the main game's events, and Merlin punished them for it. You're exploring the aftermath.

Content-wise, it's a real expansion, not a cosmetic add-on. More than 100 new items span armor, melee weapons, bows, rings, and amulets, spread across more than 20 dungeons and interiors totaling around 15 hours of content. You can freely come and go from Sarras while working through it, but once you finish the DLC's content, the zone locks you out permanently, so don't rush past side content you might want to revisit.

New skill trees

Sarras introduces 3 new skill trees, unusually sourced from sacred shrines scattered through the zone rather than handed to you upfront. Activating a shrine both grants access to its tree and locally weakens nearby enemies, which is a nice piece of environmental design since it turns a stat-menu decision into something you feel in the world.

• Warrior: bonuses tied to armor weight, rewarding heavier builds.
• Rogue: bonuses built around damage-multiplying debuffs.
• Mystic: the third branch, though specific bonuses weren't detailed clearly enough in available sources to state with confidence.

Only one tree is active at a time, but nothing stops you from swapping between them as your build needs change, so don't treat the first one you pick as a permanent commitment.

One of the shrines that grants a skill tree. Activating it also weakens enemies nearby, so it pays off to hunt these down even outside the tree you're currently running.

Enemies in Sanctuary of Sarras

The zone's roster leans hard into drowned and aquatic horror rather than reusing the base game's land-bound enemy types. Named enemies confirmed across sources include Drowned Knight, Finbled, Floatling, Ghost Crew, Reefbound, Scion of the Depths, Tadpole, Viridian Wailcap, and Wailcap, plus ghostly Drowned Deckhands and Mariners haunting the wreckage.

Since enemy level scales to your character, there's no strict recommended level to enter at. That said, don't assume scaling means "safe at any point." A build that's coasting through Act 2's normal content can still get punished by a dense group of Drowned enemies if you wander in without checking your positioning first.

Enemies throughout Sarras scale to your character level, so there isn't really a "too early" or "too late" time to explore once the DLC unlocks.

The Sir Lohengrin boss fight

Sir Lohengrin is the one Sarras boss with a documented moveset. He fights with a two-handed hammer and mixes range with melee rather than committing to one style:

• Ranged magic slash attacks at the start of the engagement, before you've closed distance.
• A ground-slam magic circle that stuns on hit, so don't stand still admiring the visual effect.
• Fast melee strikes once you're in close range, which is where the fight actually gets dangerous.

The pattern rewards closing distance quickly rather than trading ranged pokes, since his melee phase is faster than it looks from the wind-up. Save your own burst cooldowns for after he transitions to melee, not during his opening ranged phase.

GODEEPER: If you haven't cleared the base game's main story bosses yet, the fight patterns there follow similar logic, phase transitions that punish hesitation more than raw stats. Tainted Grail Boss Guide: Key Fights and Strategies →

The other 3 boss encounters in the DLC aren't consistently named across the sources checked for this guide. Rather than guess at names or invent a "4 bosses ranked" list from incomplete information, this guide sticks to what's actually confirmed. That's a deliberate choice, not an oversight, since a wrong boss name in a guide like this misleads more readers than an honest gap does.

Tips

Don't skip shrines even if you like your current tree

Since shrines also weaken nearby enemies when activated, there's a combat incentive to hit every one you find, not just the ones tied to a build you're actively using.

Save your gear checks for after major dungeon clears

With 100+ new items in the loot pool, it's easy to miss upgrades mid-dungeon. A quick inventory pass after clearing each major area catches drops you'd otherwise carry past without noticing.

Treat "finishing" the DLC as a real commitment

The permanent lockout after completing Sarras' content means side content you skip is gone for that playthrough. If you're the type who mops up side quests before moving on, do it here before triggering whatever the game flags as completion.

Common mistakes

• Assuming a "correct" level to start the DLC. Enemy scaling means the usual level-gating logic from the base game doesn't fully apply here.
• Standing still through Sir Lohengrin's ground-slam. The stun that follows leaves you open for a follow-up hit you don't want to eat.
• Rushing to "finish" the DLC for a trophy or completion flag. The permanent lockout means backtracking for missed loot isn't an option afterward.
• Repeating unverified boss names found on forums. Only Sir Lohengrin has a reliably documented moveset as of this writing; treat any confident list of "all 4 bosses" with skepticism until the wiki's own work-in-progress tag comes off.

Frequently Asked Questions

How do you unlock Sanctuary of Sarras in Tainted Grail? It opens during Act 2, once you reach Cuanacht during the Apocalypticists quest. You can leave and return freely until you finish the DLC's content, after which Sarras locks permanently.

How much content does Sanctuary of Sarras add? Around 15 hours across more than 20 dungeons and interiors, plus over 100 new items spanning armor, melee weapons, bows, rings, and amulets.

What is Sanctuary of Sarras about? A sunken realm revealing what happened to Sarras and the rebel crew who defied Arthur roughly six centuries before the main story, and were punished for it by Merlin.

Who is Sir Lohengrin in Tainted Grail? A two-handed hammer boss in the Sanctuary of Sarras DLC. He opens at range with magic slash attacks, drops a stunning ground-slam circle, then switches to fast melee strikes once you're close.

How many bosses does the Sanctuary of Sarras DLC add? Four total. Sir Lohengrin is confirmed and documented; the other three haven't been consistently named across sources as of this writing, so treat any list claiming otherwise with caution.

Is the Sanctuary of Sarras DLC worth buying? Steam reviews sit at Very Positive (439 of 508 positive) specifically for the DLC, separate from the base game's own review score, which suggests the added content lands well with people who already own Fall of Avalon.

Related Reading

• Tainted Grail New Game Plus Guide: What Carries Over: Tainted Grail New Game Plus: keep level and gear, lose recipes and King's Powers. How
• Tainted Grail Best Builds: All 5 Paths Ranked 2026: how the DLC's Warrior, Rogue, and Mystic trees might slot into an existing build.
• Tainted Grail Lore Guide: Arthurian World Explained: the wider Arthurian backstory that Sarras' six-centuries-earlier setting builds on.

References

• Tainted Grail: The Fall of Avalon - Sanctuary of Sarras DLC on Steam
• Tainted Grail Wiki: Sanctuary of Sarras