Alkemi
Grisha in the Materialki order who have the ability to manipulate chemicals and poisons. Their purple keftas are embroidered with red.
Amplifier
Rare and powerful artifacts that can increase a Grisha's power. They're made from the bones, teeth, feathers, and other parts of certain animals. Only the Grisha who slays the animal can wear the amplifier. In the books, they are merely worn as accessories; in the series, they are grafted into the skin.
Corporalki
The Order of the Living and the Dead. Corporalki can control and manipulate the body at the molecular level, whether to destroy or heal. Considered the highest order of Grisha. Their keftas are red.
Corpsewitch
Grisha in the Corporalki order who have the ability to manipulate dead flesh and necromancy. They are rare enough to be thought of as mere myths.
Drüsje
The Fjerdan word for 'witch'
Drüskelle
Elite Fjerdan units of holy soldiers that specialize in witch-hunting. They track down Grisha and bring them back to the Ice Court for sentencing, but no sentencing has ever ended in anything but death. Even more superstitious and fearful of Grisha than most Fjerdans, Drüskelle are trained and taught from a young age that Grisha are evil creatures who put spells on humans and murder them.
Durast
Grisha in the Materialki order who have the ability to manipulate and transform solid matter and materials such as metal, wood, stone, and glass. Their purple keftas are embroidered with gray.
Etherealki
The Order of Summoners. Etherealki can control and manipulate the natural elements of the world including fire, water, and air. Extremely rarely, some Grisha can manipulate shadows and darkness or sunlight. Considered the second-highest order of Grisha. The Etherealkis' keftas are dark blue.
Fabrikator
Another name for the Grisha of the Materialki order.
First Army
The Ravkan army comprised of non-Grisha forces. The First Army operates largely independently of the Second Army and is treated as the lesser of the two armies despite having the highest number of casualties. There is a great deal of resentment among First Army soldiers for the Grisha.
Grisha
The word for people who have the ability tap into and practice the Small Science, what most would call magic.
Healer
Grisha in the Corporalki order who have the ability to heal wounds, cure some illnesses, mend broken bones and restore vitality. Their red keftas are embroidered with gray.
Heartrender
Grisha in the Corporalki order who have the ability to damage a person's internal organs, steal the air from a person's lungs, crush their windpipe, slow down a heart. Their red keftas are embroidered with black.
Inferni
Grisha in the Etherealki order who have the ability to control and manipulate fire. They are usually paired with other Inferni. Their blue keftas are embroidered in red.
Kefta
The long, embroidered coats worn by the Grisha army. Each Grisha order has its own kefta color.
Materialki
The Order of Fabrikators. Materialki have the ability to manipulate composite materials, whether man-made or natural and are thus the inventors and fabricators of the Grisha world. Considered the lowest order of Grisha. Their keftas are purple.
Merzost
A dark and forbidden Grisha practice. Merzost pushes beyond the boundaries of the natural world and the Small Science, perverting the act of creation. Only a few Grisha in history have been powerful enough, desperate enough, or power-hungry enough to attempt merzost. Extracts a terrible price upon the Grisha who attempts it, often rebounding in horrible ways. How the Shadow Fold was created.
Oprichnik
A member of the Darkling's personal guards. They are elite Grisha.
Sandskiffs
The giant, low-slung ships built by the Grisha to traverse the Shadow Fold. Built on giant skis to glide over sand after Squallers fill their large sails with wind.
Second Army
The Ravkan army comprised of Grisha. Though much smaller than the First Army, the Second Army is considered elite and treated far better. Due to decades of being shunned and feared, the Grisha now look down on the First Army and non-Grisha.
Shadow Summoner
An extremely rare Grisha of the Etherealki order, Shadow Summoners have the ability to manipulate and control darkness and shadows. Only two Shadow Summoners are currently known to exist: The Darkling and Baghra. The Darkling is the only Grisha who is permitted to wear an all-black kefta.
Squallers
Grisha in the Etherealki order who have the ability to manipulate and control air and air pressure. They are usually paired with Tidemakers. Their blue keftas are embroidered in silver.
Sun Summoner
The rarest of summoners of the Etherealki order. Sun Summoners have the ability to manipulate and control pure sunlight and heat. At the moment, Alina Starkov is the only known Sun Summoner in the world. Alina is permitted to not wear a black kefta, but a blue one with gold embroidery.
Tailor
A very rare Grisha in the Corporalki order. Tailors have the ability to change a person's appearance, making them great for cosmetic reasons or spycraft. Currently, Genya Safis is the only known Tailor in existence. Tailors do not have a kefta color; Genya wears the gold-embroidered cream keftas of the palace servants.
The Cut
A rare and exceedingly deadly move that none but the most powerful Summoners can master. It involves shaping shadows or light into a blade of pure matter that can cut through anything in existence, both organic and inorganic.
Tidemakers
Grisha in the Etherealki order who have the ability to manipulate and control water. They are usually paired with Squallers. Their blue keftas are embroidered in lighter blue.
Volcra
Monstrous creatures that populate and prowl the Shadow Fold. Giant flying hunters with leathery wings, razor-sharp and dirty talons that can poison a person, and jagged teeth. Said to be blind due to living in darkness but hunt by sound and smell. Few who are caught by a volcra escape.