Hollow Knight: Silksong Guide | How to Beat the Second Sentinel

Here's a guide on how to beat the Second Sentinel in Hollow Knight: Silksong.

Game Guide by Mash Rahman on Oct 29, 2025

If you enjoy finding secret fights and testing your skill against something designed to break your rhythm, the Second Sentinel of Hollow Knight: Silksong is the boss you will truly love. It's that kind of optional fight that sleeps unobtrusively behind a series of cryptic cues, just waiting for that mix of investigation and perseverance to bring it to life.

In this guide, I will help you find and beat the Second Sentinel in Hollow Knight: Silksong.

The first mystery to solve is how to actually summon this boss. The Second Sentinel isn't sitting around in plain sight — it's hidden behind a short but deliberate sequence of events. You'll need to collect three Cogheart pieces scattered throughout the Citadel.

After you've found them all, enter the middle section of the Citadel — the gears-lined mechanical heart made of metal — and employ the components to bring back a dormant robot there. Once you've restored its heart, you'll start to see that same robot appear in random battles around the world to help you.

It's a nice touch that makes the world feel alive, and it also means you're on the right track. Eventually, after some time passes, a new wish will appear on the Songclave wishboard called "Final Audience." That's your cue. Activate it, travel from the Clave westward toward the High Halls, and you'll find a new door open. Step inside, and your fight with the Second Sentinel begins.

About the Fight

Before you dive into the fray, it's a good idea to prepare. The Sentinel is not a fight for a slow and defensive build to master. The fight is about movement, aggression, and recovering quickly without losing speed.

The Wanderer Crest is the best choice in this situation. It lets you attack fast, cancel animations instantly, and stay on the offense at all times. Add to that the Fast Heal ability, which keeps you alive when you're in a panic, and the gun, an easy ranged backup that lets you jab safely and hope for an opening. It's a combination that asks you to play Silksong like it was meant to be played — swiftly, smoothly, and never stopping moving.

Hollow Knight: Silksong, Guide, How to Beat, the Second Sentinel

The key to this boss is rhythm. The Second Sentinel is blazing fast at the start, but once you get into the rhythm, you start understanding its patterns. That X Attack is the one that separates the peaceful from the destroyed. When you see those diagonal lines meet around the boss, you have to move instantly — either above or to either the far left or far right.

Stand anywhere on those bright diagonals and you're going to get hit almost every time. The command is fast, the range is big, and it comes out often enough that you'll find yourself having to pay attention to the whole fight. Once you've memorized that, though, the rest of the fight is open in a way that feels both natural and fair.

Other than the X Attack, the Sentinel uses quick sword strikes that lead into waves of energy. It's the mix of close and distance attacks that leaves you wondering. Half the time, a melee slash will send out a wave of energy that goes across the screen, so you have to stay away or dodge at the right time. This is where Silksong's broader movement range pays off.

The clawline, the dash, and healing in mid-air aren't tricks — they're lifelines. Staying in the air as much as you can gives you more agency, lets you dodge projectiles, and lets you reset your position before the next attack combo.

In all the chaos, the boss will stun after you've gotten a good enough string of consecutive hits. When that happens, you have only a moment to breathe. You can recover if you're low on health, or you can continue the attack and try to finish it off as quickly as possible.

To me, staying aggressive feels the best. Silksong's combat is all about flow, and the Second Sentinel is one perfect example of that kind of design. If you maintain constant pressure, you can pin the boss in a stream that's both relentless and empowering.

If you are having trouble early on, just worry about surviving the X Attack on the first few attempts. Don't care about damage — just look for the tells, understand its angle, and learn where you can safely move to without taking damage. After that becomes second nature, you'll start to see all the openings that follow.

Perhaps the most satisfying thing you can do in this fight is punish the Sentinel after a dodged X Attack by pogoing onto it. The timing is tight, but getting those counter-hits is incredible. It's that fraction of a second when all clicks into place and you realize you're no longer just reacting — you're setting the pace.

There's a certain kind of beauty in the way that this boss teaches you by hurting you. Every hit you take from an energy attack or overextended run teaches you something about how to move next time.

Hollow Knight: Silksong, Guide, How to Beat, the Second Sentinel

The more you fight, the better you learn to read their body language. The horizontal lunges, the diagonal strikes, the brief pause before it releases a projectile — these become second nature. Before long, you're not surviving by luck; you're predicting, adapting, and flowing through the fight like it's a song you've learned to play by heart.

What makes the Second Sentinel so enjoyable isn't just the fight itself, but what it represents about Silksong's philosophy. This is a game of mastery through movement — one where you have to learn to stay light on your feet and trust your reflexes.

Every new boss pushes you to dial in that sense of control, and the Sentinel is the best manifestation of that design. It rewards faith but punishes caution. You'll get wrecked if you just wait around. If you dive in, play smart, and keep moving, it becomes one of the best battles in the game.

When the battle is finally done and the Sentinel collapses on the ground in a shower of sparks, there's that quiet satisfaction that lingers. You'll know it not because you've won, but also because you've won it with rhythm and patience.

Optional fights like this are big deals for why Silksong is so great — they're not a bonus; they're hidden tutorials. They teach you that each step matters, each mistake is learned, and each victory is the reward for patience.

Hollow Knight: Silksong, Guide, How to Beat, the Second Sentinel

So if you're seeking that perfect balance of mystery, challenge, and expression of skill, the Second Sentinel meets all the criteria. Bring your tools, steel your nerves, and make your way to the High Halls. The combat will test you, but once you've caught its rhythm, it's a battle you'll treasure long after the music has faded.

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