Although she thought she would die, the woman says she memorized his physical features and scars: head to toe, front and back.
Williams, who was shackled, looked down or straight ahead during her testimony.
The prosecution says the ex-convict tried to blind the woman by hurling bleach in her face and ordering her to gouge out her own eyes with scissors. She also was forced to ingest a massive dose of painkillers that caused liver failure.
The defense sought unsuccessfully to have Williams declared unfit for trial.