Based on the provided details, the character is an elderly witch encountered by Samy upon arriving in another world. She has lost her glass eye, and Samy assists her in retrieving it. Demons actively pursue her due to her connection to a conflict between gods and demons. During a battle where demons threaten Samy, she intervenes using her abilities. Her actions enable Samy to escape via water, after which Samy resurfaces in a different location with altered appearance.