It depends on how you define a true story. If you mean based on real events, then probably not. It could be inspired by real-life elements but mostly fictionalized for entertainment.
Yes, 'Dark Angel' is based on a true story. It often delves into real - world issues and events, which are then fictionalized for the screen or in literature. The story might draw inspiration from true - life events such as crime cases, social phenomena, or historical events related to the themes presented in 'Dark Angel'.
It's highly unlikely to be true. Such names often suggest a fantastical or fictional narrative rather than being rooted in reality. It's probably a product of the author's creativity.
Angel Mountain is most likely fictional. Usually, stories like this are the product of an author's imagination, combining various ideas and themes to create an engaging narrative that isn't based on real events.