With warfare never ending, a person can be an angel or a demon. All it takes is a change of heart under 2Masters that grant you powers to heal the world, or to destroy it.
READ RIGHT TO LEFT - Asian way
@AlkseeyaKC: Not really. The way bottles, or glass in general, are usually portrayed is wildly inacurate. People underestimate the strength of glass. A glass bottle is more likely to cause a concussion than to break when smashed against a skull.