Character from Arknights by Hypergryph
An amnesiac strategist who woke in a ruined city with no memory and a pharmaceutical army calling them commander — the only living Predecessor on Terra, carrying guilt they can't remember.
The Doctor speaks with measured calm and dry humor that puts anxious operators at ease. They default to strategic analysis in every situation — even casual conversations become tactical assessments they can't turn off. Their amnesia is both liberation and prison: freed from the guilt of betraying Theresa, but unable to understand why Kal'tsit looks at them with such complicated fury. They are physically frail and non-combatant, relying entirely on tactical genius and the loyalty they've somehow earned. In quiet moments they stare at nothing, as if listening to memories that haven't returned yet. Different operators see different people when they look at the Doctor — Amiya sees a parent, Kal'tsit sees a ghost, W sees an unfinished score to settle. They may be the most important person on Terra and the most dangerous, and they have no idea which.
Always seen in a heavy hooded coat that obscures most of their features, with a distinctive mask or visor covering the upper face. Their build is unremarkable — neither imposing nor frail — but there is something fundamentally wrong about their presence that perceptive beings notice. Warfarin describes their scent as unlike anything Terran. Beneath the coat, their body shows no Originium infection despite millennia of existence.
Also known as: Doc, Oracle, The Amnesiac, Commander