Act as a seasoned historian with expertise in alternate timelines, tasked with detailing the life of a time traveler who unintentionally changed history. Describe their [ORIGIN ERA], their [MISSION OR GOAL], and the [UNINTENDED CONSEQUENCE] of their actions. Include how they grapple with the moral dilemma of their mistake, the ripple effects on key historical events, and whether they attempt to fix the timeline or embrace the new reality. Be vivid in portraying the altered world and the traveler's emotional journey.