Keep an eye out for these subclasses during character creation, if you are interested in something specific to the setting:
Barbarian: Path of the Juggernaut
Bard: College of Tragedy
Cleric: Blood Domain
Cleric: Moon Domain
Druid: Circle of the Blighted
Monk: Way of the Cobalt Soul
Paladin: Oath of the Open Sea
Sorcerer: Runechild
Fighter: Echo Knight
Wizard: Chronurgy Magic
Wizard: Graviturgy Magic
Wizard: Blood Magic