Elden Ring Nightreign Sentient Pest Bug Fix: Patch 1.01.5 Solves Major Boss Fight Issues

FromSoftware has rolled out a new patch for Elden Ring: Nightreign, and while it’s a modest update on the surface, it delivers a crucial fix that many players have been waiting for. Version 1.01.5 is live across all platforms—PlayStation 4, PlayStation 5, Xbox One, Xbox Series X|S, and Steam—and it’s laser-focused on solving problems in one of the game’s toughest endgame encounters: the fight against the Everdark Sovereign Sentient Pest.

Elden Ring Nightreign Sentient Pest Bug Fix: Patch 1.01.5 Solves Major Boss Fight Issues
Elden Ring Nightreign Sentient Pest Bug Fix: Patch 1.01.5 Solves Major Boss Fight Issues

What Was the Sentient Pest Bug?

For weeks, Nightreign players tackling the Everdark Sovereign content have been running into a particularly frustrating issue. During the Everdark Sovereign Sentient Pest boss fight, two major bugs could derail the entire encounter:

  • Boss Stuck Bug: The Sentient Pest could become frozen mid-fight, preventing players from progressing or finishing the battle.
  • Arena Escape Bug: The boss sometimes spawned or moved outside its intended battle arena, leaving players unable to engage it properly.

Given how challenging and high-stakes these Everdark Sovereign fights are, either bug could ruin an otherwise thrilling run.

See also: How to Beat the Sentient Pest Raid in Elden Ring Nightreign

Why This Bug Was So Frustrating

Everdark Sovereign bosses are designed as more punishing versions of earlier Nightreign bosses, unlocked only after defeating their standard forms during a run. These Sovereign variants rotate in and out on a weekly schedule, offering limited windows for players to challenge them.

To face them, players must first defeat the standard version of each boss during a run. Once unlocked, these sovereign bosses appear only during specific windows, adding extra challenge and exclusivity to Nightreign’s endgame.

That made the Sentient Pest bug even worse. Players might only have one week to defeat this powerful boss—and if the fight glitched, they’d miss their chance until the next rotation. With powerful rewards and bragging rights on the line, losing an attempt due to technical issues was understandably infuriating.

What Patch 1.01.5 Fixes

Update 1.01.5 delivers two crucial bug fixes:

  • Fixed an issue where the Everdark Sovereign Sentient Pest could become stuck during its fight, halting progression.
  • Resolved a problem where the boss could appear outside the designated battle area, making the encounter impossible to complete.

These fixes ensure that players can finally take on Sentient Pest without the fear of the fight breaking partway through.

See also: Sovereign Sigils Elden Ring: How to Get & Use Them

The Everdark Sovereign Boss Rotation

Everdark Sovereign bosses rotate in pairs each week. To face them, players must first defeat the standard version of each boss during a run. Once unlocked, these sovereign bosses appear only during specific windows, adding extra challenge and exclusivity to Nightreign’s endgame.

Here’s the current rotation schedule:

  • July 17 – July 24: Sentient Pest & Darkdrift Knight
  • July 24 – July 31: Gaping Jaw & Sentient Pest

Players who previously missed their chance to fight Sentient Pest—or who ran into the bugs—can now challenge the boss again under proper conditions.

Other Recent Changes

In the previous July update, FromSoftware added a handy feature allowing players to quickly see weapon types in each Armament Information menu. They also resolved a bug that caused matchmaking failures if a third player left mid-lobby formation.

How to Apply the Update

If you’re playing Nightreign, you’ll need to update to keep using online features. Here’s what to do:

  1. Download Patch 1.01.5.
  2. Restart the game.
  3. Ensure your title screen shows:
    • App Version: 1.01.5
    • Regulation Version: 1.01.7

If the Regulation Version isn’t correct, log into the server to download the latest files.

For Players Seeking More Variety

For those craving extra unpredictability, the Elden Ring Nightreign randomizer mod has gained popularity in the community. It reshuffles item rewards and certain mechanics, making each run feel unique and increasing the game’s replay value.

More Nightreign Content to Come

While Patch 1.01.5 is a focused update, FromSoftware has confirmed more content and improvements are in development. Future updates will likely introduce additional Everdark Sovereign bosses, including rumored variants like Tricephalos, Augur, Equilibrious Beast, and Fissure in the Fog.

See also: Best Wylder Build in Elden Ring Nightreign: Weapons & Tips

In the meantime, players can explore Limveld, join co-op teams, and test their skills against some of the most intense bosses FromSoftware has crafted to date. Thanks to this patch, the Sentient Pest should no longer be an accidental roadblock on that journey.

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Elden Ring: Nightreign continues to evolve, and crucial fixes like these keep the experience polished and fair for all Tarnished daring enough to step into the Everdark. Play Now!

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