There are many characters which give you quests and help you in your missions from many different races. Here is a list of characters, in the order you find them.
- Kultar: (Level 02, Goblin Prison) Your cellmate from the Goblin Prison. Member of the Guild of Travelers. He is the one to give you a name (Am Shaegaar), since you can't remember yours. You can choose to save him or not from the goblin prison (or maybe kill him). The game story changes, depending on what you do to him (but it is not a major game play changes, more like a 'moral' change).
- Polsius: (Level 02, Goblin Prison) The imprisoned goblin from the Goblin Prison. He is in the prison because he was against the human sacrifice, where the goblins would sell humans to the Priests of Akbaa. You can choose to save him or not, but if you save him he will help you in your game progress.
- Greu: (Level 02), Outside the Goblin Prison, near the Dragon Cave) A Troll that lives in solitude, unlike the other trolls that live in the Troll Camp (Level 3) and The Mines (Level 5). His only friends are Burwaka , a troll from the camp and you. He gives you a side-quest, and may help you in the future in other side-quests.
- Ortiern: The commander of the Human Outpost and the King's Army. You found him nearly dead in the Outpost, after a group of Ylsides have attacked it. He is a key person, helping you in your main quest to reach the Human Kingdom.
- Tizzy: Bartender of the "Yellow Tulip Tavern".
- Enoil Calpale: You find him in the Tavern. He tells you more about the world of Arx. He is also part of a quest that determines the ending of a quest near the ending of the game (Again, it isn't affecting the game play, since it is only a 'moral' change).
- Ringo: The twin brother of Mopak. He is in the Tavern, hosting a gambling game. He can also be found in The Mines (Level 5) along with his brother Mopak. Together they are the 'black sheeps' of Arx. Their hideout is in Level 5 (The Mines). They have many stolen decorations around their home, taken from the crypt and the Snake Woman Temple. They even have a secret map somwhere around there.
- Carlo: The commander of the city guards. He is found near the City Entrance through the Crystal Caves. He helps you along your main quest, and also involved in a side quest. Part of the Kingdom's Council.
- Maria: Shopkeeper. Sells various useful things, like tools, runes, food and potions. Found near the Crypt and the Portal.
- Shany: Maria's daughter. Is involved in a side quest.
- Tafiok: The Jeweler. Found next to the Portal in The Human Kingdom. Buys and sells Jewelry.
- Miguel: The Blacksmith. Found near the <Commander's Room> . Buys and sells weapons and armors.
- Gary: The Banker. You can buy and sell Iron Ore and Iron Ingots to him, and also Goblin Mine Share, which can be used during The Trolls Idol side-quest.
- Alicia: Gary's fiancee.
- Kacelbem: The Priest of Arx. Part of the Kingdom's Council.
- King Lunshire: The King of the Human Kingdom. The son of King Poxelis. He was the one to initiate the migration of the whole city of Arx underground, when the sun started to disappear. One of the most important characters, he gives you most of the quests and useful information.
- Sister Chinkashh: The librarian of the Castle. Part of The Sisters of Edurneum.
- Suiberis/Iserbius: The Astronomer and the Head of the Priests of Akbaa. Suiberis and Iserbius are one and the same. Suiberis is a spy for the Cult of Akbaa. He is part of the Kingdom's Council, thus getting useful information for Akbaa and his priests.
- King Pog: The King of the Trolls.
- Izok: The foreman from the trolls camp.
- Anuk: The chef from the Goblin Kingdom.
- Atok: The foreman from the Goblin Kingdom.
- King Alotar: The King of the Goblins.
- Felnor: The Alchemist from the Castle of Arx.
- Alia: The girl you save in The Temple of Akbaa.
- Sister Zalnashh: The Queen of the Snake-Woman.
- Akbaa: The God of Destruction, he wants to reincarnate in the world of Arx to destroy it.
- Master Slyb: The one who sends you from The Noden in Arx to defeat Akbaa.