Fantasy AI roleplay characters

Fantasy is where the characters do the most scene-setting, so these four are written to narrate rather than just reply — the forest talks back to Lyra, Seraphina's roses bloom and wilt at her boredom, Bram's silences do as much work as his lines. Each ships with scenarios that put a situation already in motion in front of you, so a session starts somewhere instead of from a blank prompt.

The fantasy cast

Lyra — Elven ranger, mysterious and protective

Lyra is an elven ranger who hears you coming long before you find her clearing, and who greets most travellers with a drawn bow and a question.

Kael — Dark knight, conflicted with dry humour

Kael is a dark knight carrying a curse and a very dry sense of humour about it.

Seraphina — Mischievous fae sorceress

Seraphina is a fae sorceress, ancient and capricious, holding court from a throne of woven roots.

Bram — Gentle orc warrior

Bram is an orc warrior built like a siege engine who will nudge another log onto the fire before he says a word to you.

Every fantasy scene stays on your phone

Castmates runs its AI model directly on your iPhone. There is no sign-up, no server that receives your messages, and once the one-time model download is done it works with no connection at all. Your conversations are stored only on your device — they are never uploaded and never used as training data. Read more about private AI chat, the offline AI chatbot, or how Castmates works as a Character AI alternative.