The Trailblazer is the main protagonist of Honkai: Star Rail, a person who boarded the Astral Express. They chose to travel with the Astral Express crew to eliminate the dangers posed by the Stellaron. As a versatile character, they can follow multiple Paths including Destruction, Preservation, and Harmony, with elements like Physical, Fire, and Imaginary. Known for their compassion that keeps the universe moving forward, they often put themselves in difficult positions to assist those close to them, such as during the Herta Space Station events. Lore suggests potential growth into a greater entity like Terminus, representing mercy and necessity in resetting reality.