Halcyon – One of the ten Houses of Nua Verden. (See also Houses)
Halil Demirci – A Breaker (Cyclonist) in Yriel Sparkcatcher's army, from Turkey in 1993.
Hall of Record – A room within the Keep of Yshaar where hang the tapestries that detail the history of the Daevyn. Also the home of the First Flame-Bearer's Dart & Buckler set.
Haruki Tanaka – A Breaker (Cascader) in Hunter’s Clash, Haruki is from Japan in 1333.
Henry Mattison – A boy who leads a gang in the Yukon Territory in 2018.
Hiari White – A 15-year-old Human girl from 2013. Hiari is Kenyan. She is the illegitimate daughter of a wealthy Dutch businessman and a local woman from the slums of Kibera on the edge of Nairobi. She becomes Avira, a Sky Keeper of Tranthaea. (See also Avira)
High Elder – The leader of the Aru Faylen Elders. (See also The Elders)
Hippanemos – The silvery-grey hippanemos floats over the ground in the thick air of Nua Verden and uses its flat, vertical tail-fin to guide its movement. It's long head and short neck make it a good grazer, but less-than-effective as a creature of war. It's name comes from Greek, and means "air horse." It is used to pull carts and do heavy lifting and is known in Tranthaea by another name: raeas. Symbol of House Halcyon. (See also Raeas)
Hive Consulate – An enormous mound of sculpted dirt that serves as an embassy for the gru’Esh in Yshaar.
Hobnar – A Valang Loyalist agent. (See also Loyalism)
Hollimelons – A Tranthaean fruit. A rare delicacy, hollimelons are much desired and often fought over.
Hooded Hall – The prison block in Yshaar's Keep, named so because anyone walking down it was more than likely to be an executioner.
Houses – There are ten Houses that make up society in Nua Verden, each with its own Baron to lead it, its own area of industry to govern, its own district in the city of Fanvalor, and its own symbols, colours, and identifying physical traits. The ten Houses (accurate during the events of The Golden Fleece) are:
- House Bellicora
- Industry: Entertainment
- Baron/Consort: Lord Anatoly/Lady Sybil
- House Symbol: Octopus
- House Colours: Light blue on aubergine
- House Trait: Finger rings
- House Brontide
- Industry: Shipping
- Baron/Consort: Lord Roderic/Lady Mei
- House Symbol: Blade-Finned Romi
- House Colours: Silver on navy blue
- House Trait: Nose/cheek tattoos
- House Chiliad
- Industry: Unknown
- Baroness/Consort: Lady Zandra/Lord Cantor
- House Symbol: Jade Civit
- House Colours: Jade on coffee brown
- House Trait: Unknown
- House Endevest
- Industry: Markets & Trade
- Baron/Consort: Lord Vareniel/Lady Juliana
- House Symbol: Rook
- House Colours: Black on forest green
- House Trait: Shape of a rook's beak shaved into the hair at their temples
- House Galvan
- Industry: Mines & Minting
- Baron/Consort: Lord Raphael (succeeded by Lord Dominik)/Lady Therese
- House Symbol: Turpina
- House Colours: Brown on russet
- House Trait: Wrist tattoos
- House Halcyon
- Industry: Agriculture
- Baron/Consort: Lord Eamon/Lady Linette
- House Symbol: Hippanemos
- House Colours: Grey on tan
- House Trait: Leather headband with signet stamped on it
- House Ichorin
- Industry: Education
- Baron/Consort: Lord Charon/Lord Arturus
- House Symbol: Swan
- House Colours: White on black
- House Trait: Tongue branding
- House Laguna
- Industry: Stockyards
- Baron/Consort: Lord Ojiambo/Lady Clara
- House Symbol: Gurn
- House Colours: Red on white
- House Trait: Shaved eyebrows
- House Pavilium
- Industry: Manufacturing & Trades
- Baron/Consort: Lord Martius/Lady Corabella
- House Symbol: Honeybee
- House Colours: Black on Yellow
- House Trait: A thin braid worn down the left side of the face
- House Voxeter
- Industry: Law Enforcement
- Baron/Consort: Lord Cyprian/Lady Tanaquil
- House Symbol: Kesthal
- House Colours: Orange on grey
- House Trait: Ear piercings
Human – A species that is not native to Tranthaea, but whose members are often brought to the world in times of crisis. Many Keepers have been Human, though not all. And not all Humans have become Keepers.
Hunter Wells – A 16-year-old Human boy from Los Angeles in 2012. He is witness to Jingwei’s summons to Tranthaea and then is brought there himself, where he plays an important role in events.
Huon Arrahl – A wise and peaceful creature of the southern forests, Huon Arrahl is the oldest living thing in Tranthaea. Its many bodies are actually trees and it makes up much of the Korrahl Forest itself. The trees are grey and straight, with peeling bark and dark green leaves. Huon Arrahl’s main body is to the south. Tall and lush, its bottom third is draped with silver tendrils, through which it can communicate with outsiders.
Hurm – An Aru Faylen Elder. He is the Head of the Restorer's Council.