David Kostyk is a Durast and a member of the Grisha Triumvirate.

Appearance and PersonalityEdit

David is described as a pale, reed-thin man with long brown hair which falls into his eyes. He is a rather quiet Durast who enjoys using his Grisha talents of manipulating metal and doesn't seem to notice anything other than that. As an adult man his appearance is still described as unassuming and his personality is mild mannered, calm, intellectual, and distracted.  

Shadow and BoneEdit

David first appears in Shadow and Bone when Genya Safin takes Alina Starkov to the workshops to pick up her glass discs. He is either unaware of Genya's crush or uninterested because he never acknowledges her presence. David is a skilled Fabrikator and the Darkling uses him to create the collar for Alina out of the Morozova's Stag's antlers.

Later, David admits that he feels bad about creating the collar, and Alina tells Genya to let him know she forgives him.

Siege and StormEdit

When Alina Starkov returns to the Little Palace, David mostly ignores her, as he feels extremely guilty for making Morozova's Collar. Alina corners him in the workshops, and he tells her about his idea for the large dishes. David and Nikolai Lantsov work together on the dishes and the repair of the Hummingbird. Alina corners him again and asks about Morozova's journals. During the Darkling's attack, he attempts to use the remaining dish, but it doesn't work. When the Darkling reveals Genya, David rushes over to her, and they go with the other Grisha to the White Cathedral.

Ruin and RisingEdit

When Alina is stuck in the White Cathedral, he creates a salve to help heal Genya's wounds as well as searches Ilya Morozova's Journals in hopes of finding any clues to lead the dozen living Grisha and company to the Firebird.

Every morning in the White Cathedral, he also helps The Apparat in his morning prayer ceremonies by controling Inferni flame through a smaller dish crafted from salvaged glass.

Contrary to Genya, David was present for the final battle at the Fold.


Genya SafinEdit

David's relationship with Genya started mainly after she received her scars. The two are seen as a pair in Ruin and Rising and constantly chatted about metals, melting points, and poison as the dozen made their way to the Firebird's location. Sometime in Ruin and Rising the two were seen together in bed after David kicked everyone out of the dorm to have time with Genya. The two are later interrupted by Alina telling David to, "Get dressed".

The two get married in the three year period after the Ravkan Civil War and before the events of King of Scars.

Quotes Edit

"If you upset my wife again, I will kill you where you stand."

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