Clair Obscur Expedition 33 - How to Beat Sirene Boss

Sirene is a boss in Clair Obscur Expedition 33 that you have to fight in order to proceed further into the storyline. They are one of the 2 axon’s that you will need to fight in order to get enough chroma to get towards the end of Act II. This boss can be a bit tricky but with our guide you’ll be able to do it with no trouble! The other axon is, of course, Visages

How to Find Sirene in Clair Obscur

Sirene performing Dances with Glissandros

Sirene has the same name as the location itself so it’s fitting that she will be the final boss of the area. Proceed through the game, including fighting Glissando, and you’ll get to the point where you are ready to fight her. Just before getting to her you’ll find the Dancing Arena Expedition Flag. Make sure to rest!

How to Defeat Sirene in Expedition 33

As with Glissando, charm is also an issue in this boss fight. To prevent yourself from falling to this charm, make sure to have the anti charm picto and lumina equipped on your characters. A Cleansing Tint will also work.

The best moves to use against Sirene are ice and dark elements. Lune and Sciel will be essential in helping you defeat this difficult enemy. For Sirene, she’ll attack with the following moves:

Dance with Glissandos sees Sirene slamming the Glissandos into the ground and the best way to parry is just as her hands start to slam them.
Widow Ballet is a move that will charm one of your characters. Dodge after the second burst of energy starts to pop.
Glissando Ground Shaker will see the Glissandos will shake the ground. Make sure to jump accordingly when it appears on screen.
Dress Attack see’s Sirene sending out attack ribbons (yes that’s basically what it is) to hit one target a total of three times. Dodge when you see the ribbon starting to move towards you.
Grand Ballet Begins will see Sirene summoning five ballets to hit the party a total of five times. Try to dodge when each ballet lands to the right of the party.
The Final Act will see the party about to be hit by a seven-hit combo. 1st, 3rd, and 5th hits are from a Glissando and the 2nd, 4th, and 6th hits are from the Ballet dancers. While the last hit is a slam of a building. Keep in mind it can cause a curse effect!

Follow this guide and you’ll beat this boss!

Check out more Clair Obscur Expedition 33 guides!

Clair Obscur Expedition 33 – How to Beat Glissando Boss

Clair Obscur Expedition 33 – How to Beat Renoir Boss (Old Lumiere)

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Desiree

My name is Desiree and I have over a decade of experience writing fiction and nonfiction (including video games). When I'm not writing I can be found playing video games and indulging in fandom!