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★ Mask Shards | Spool Fragments | Abilities
☆ Boss Guides: The Unravelled | First Sinner
★ Wishes: Broodfeast | The Lost Fleas

Second Sentinel is a boss located in High Halls in Hollow Knight: Silksong. See a loadout you can use to beat Second Sentinel, its attack patterns, and rewards in this guide!
| Silk Skill | ・Pale Nails ・Thread Storm |
|---|---|
| Tools | |
| Crests |
✎ Press on either Silk Skills, Tools, or Crests to see a full list of each!
The Second Sentinel fight is fairly simple compared to others. The boss doesn't have any gimmicks or special mechanics you have to consider, so having a simple loadout should be enough to win the fight.
Since the boss just goes back and forth from each end of the arena, Cogfly's target-seeking mechanic is perfect for the fight, allowing you to constantly deal damage as the boss moves around. Voltvessels is also great in this scenario as you can easily predict the boss's movement and place it at just the right moment to deal high burst damage.
Additionally, Pale Nails or Thread Storm works nicely during the fight as another source of damage.
For defensive tools, Fractured Mask or Warding Bell should be enough for you to survive the fight.
Given the simplicity of the boss fight, even just having the Hunter Crest is enough to win the fight. However, you can have another reliable damage source with Witch Crest's Silk Bind attack.

The Second Sentinel is located in the eastern side of the High Halls.
To fight the boss, you need to assemble her heart first, meet her several times fighting bugs, then do the Final Audience wish.
| Second Sentinel Boss Fight Tips |
|---|
The boss will go back and forth from each end of the arena while performing various attacks. You'll definitely get hit a lot if you just keep chasing and attacking the boss aggressively. Although doing that will also work, you can be more strategic.
A lot of the boss's attacks give a brief time window where you can attack freely. Given this, you can actually time your attacks either as the boss prepares for or finishes an attack. This strategy minimizes the damage you'll receive while still allowing you to deal a decent amount of damage to win the fight.
The strategy will be more effective if you use Cogfly since you'll be able to deal damage passively throughout the fight.
| Visual Cue | ![]() Draws one of its sword back in preparation for a lunging attack. |
|---|---|
| Counter | Jump behind the boss during the lunging attack. |
The Second Sentinel performs a lunging attack followed by a slash. This attack covers a good amount of distance. The simplest way to dodge it is to jump behind the boss on the lunging attack.
| Visual Cue | ![]() Jumps in the air and pauses briefly before diving. |
|---|---|
| Counter | Move out of the path. |
The Second Sentinel jumps into the air, pauses briefly, then thursts one of its swords downward and diagonally. You just need to go to the opposite side where the boss is facing while it's in the air to dodge the attack.
| Visual Cue | ![]() Draws its sword behind its back in preparation for a slash. |
|---|---|
| Counter | Jump. |
The Second Sentinel drives its blade downward, unleashing a wave of force. You need to time your jumps for this attack to avoid getting hit by the wave.
The boss also does an aerial variation of the attack where it jumps in the air, then unleashes a wave of force diagonally. For this attack, you just need to move towards the opposite side of where the boss is facing to dodge the wave.
| Visual Cue | ![]() Changes its fighting stance. |
|---|---|
| Counter | Move away. |
The Second Sentinel does an upward slash with its blades. You just need to move away from the boss to dodge this attack.
| Visual Cue | ![]() Steps back briefly. |
|---|---|
| Counter | Move away. |
The Second Sentinel steps back slightly, then quickly lunges forward and perform multiple stabs. The attack covers majority of the arena's length. The best way to dodge this attack is to quickly dash towards the opposite end of the arena.
| Visual Cue | ![]() Glowing X shape. |
|---|---|
| Counter | Move away. |
The Second Sentinel jumps slightly, channels energy, then performs a powerful X-shaped slash with its blades. You just need to move away from the boss once you see the glowing X shape to dodge the attack.

After beating the Second Sentinel, you'll be given the Reserve Bind tool as a reward.
List of All Tools and Locations

Defeating the Second Sentinel fulfills the Final Audience wish.

| Main Story Bosses | ||
|---|---|---|
Moss Mother
|
Bell Beast
|
Lace
|
Fourth Chorus |
Moorwing |
Sister Splinter |
Widow |
Last Judge |
- |
| Optional Bosses | ||
Savage Beastfly |
Skull Tyrant |
Great Conchflies |
Summoned Saviour |
- | - |
| Secret Bosses | ||
Phantom |
- | - |
| Main Story Bosses | ||
|---|---|---|
Cogwork Dancers |
Trobbio |
Lace (Act 2) |
Grand Mother Silk |
- | - |
| Optional Bosses | ||
Forebrothers Signis and Gron |
Raging Conchfly |
Groal the Great |
Disgraced Chef Lugoli |
Broodmother |
Father of the Flame |
Voltvyrm |
- | - |
| Secret Bosses | ||
First Sinner |
Unravelled |
- |
| Main Bosses | ||
|---|---|---|
Bell Eater |
Skarrsinger Karmelita |
Nyleth |
Seth |
Crust King Khann |
Lost Lace |
Optional Bosses |
Watcher at the Edge |
Gurr the Outcast |
Second Sentinel |
Lost Garmond |
Crawfather |
Plasmified Zango |
Tormented Trobbio |
Clover Dancers
|
Pinstress
|
Palestag |
- | - |
Second Sentinel Boss Guide



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I can defeat this using wanderer crest and flea brew