The length of "The First Berserker: Khazan" game is approximately 30 to 35 hours for a single playthrough focusing on the main story. If players aim to complete all aspects of the game, including bonus missions and collectibles, the playtime extends to around 50 to 57.5 hours. Achieving 100% completion, which involves unlocking multiple endings and completing all bonus content, can take about 55 to 60 hours. For the true ending, the estimated playtime is around 80 hours

. If your question about "how long is Khazan the first berserker" refers to the duration of the character's story or gameplay experience, these time estimates reflect the typical length players spend embodying Khazan in the game.