Throne of Glass Wiki
The Assassin and the Underworld

Sarah J. Maas

Release Date May 1, 2012 (ebook)

March 4 2014 (print)


Bloomsbury USA


Release order
Released after
The Assassin and the Desert
Released before
The Assassin and the Empire

The Assassin and the Underworld is one of the five novellas taking place before Throne of Glass. It was released in ebook format on May 1st, 2012. It is the fourth short story in the bind up The Assassin's Blade.


When the King of the Assassins gives Celaena Sardothien a special assignment that will help fight slavery in the kingdom, she jumps at the chance to strike a blow against an evil practice. The mission is a dark and deadly affair which takes Celaena from the rooftops of the city to the bottom of the sewer-and she doesn't like what she finds there.


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Celaena Sardothien intends to pay off Arobynn Hamel. She has already purchased an apartment. When she arrives at the Assassin's Keep, Arobynn is very apologetic. He showers her with gifts, including impressive and expensive new armor. He asks her to take on their new high profile client, a wealthy woman who wants her ex-husband assassinated. Celaena agrees and lets Sam Cortland help when he asks to.

At a party, a group of men show up wearing masquerade outfits. These men are clearly Dorian Havilliard and Chaol Westfall. Dorian and Celaena lock eyes from across the room and flirt for a while before Sam comes over.

Celaena pays off her debt to Arobynn the next morning. She says she still wants to work with him, though. During some surveillance, she is discovered and taken to the city sewers to die when they’re flooded. Sam rescues her at the last moment. She kills the ex-husband and discovers he was the good guy. But the deed is already done, and afterward, Celaena decides to tell Arobynn about moving out. She sells her Asterion Horse[1] to buy Sam’s freedom. Sam tells her he’s been in love with her for a long time, and she realizes she has similar feelings for him.




Main series The Assassin’s BladeThrone of GlassCrown of MidnightHeir of FireQueen of ShadowsEmpire of StormsTower of DawnKingdom of Ash
Novellas The Assassin and the Pirate LordThe Assassin and the HealerThe Assassin and the DesertThe Assassin and the UnderworldThe Assassin and the Empire
Companion books Throne of Glass Coloring BookThe World of Throne of Glass
Online short stories The Assassin and the PrincessThe Assassin and the CaptainThe Captain and the Prince
Exclusive content Empire of Storms Exclusive (Barnes & Noble)Empire of Storms Exclusive (Target)Empire of Storms Exclusive (WHSmith)
Adaptions Queen of Shadows (television series)Embers of Memory: A Throne of Glass Game