The short answer is that Diablo 4 takes around 35 hours for the average player to complete.
Diablo 4 brings back the iconic world of Sanctuary and introduces players to the return of Lilith, the mother of Sanctuary. As players embark on their quest to defeat her and save humanity, one question lingers:how long will it take to complete the immersive story campaign? In this article, we will give a few reasons of why the game takes approximately35 hours to complete.

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Average Completion Time:
During an interview with GameSpot, Game Director Joe Shely revealed that the estimated time to beat Diablo 4’s story campaign for the first time is approximately35 hours. However, it’s important to note that this duration may vary depending on the difficulty chosen by players. Diablo 4 offers World Tier 1 for newcomers to the genre and World Tier 2 for seasoned Diablo veterans.
The developers of Diablo 4 have emphasized the game’s expansive campaign, promising the biggest and most compelling story to date.Set decades after the events of Diablo 3: Reaper of Souls, the world of Sanctuary is in chaos with the resurgence of Lilith. Players can expect a narrative-rich experience filled with memorable characters and emotional connections.

It really depends on how you play - some players rush while others take their time.
Non-Linear Storytelling:
Diablo 4 breaks away from linear storytelling, granting players thefreedom to explore the world of Sanctuaryat their own pace. After the prologue and the first zone, players can choose their path and decide which activities to pursue. One such activity is the Diablo 4 Strongholds, which unlock new dungeons, pathways, waypoints, and more, enhancing the overall gameplay experience.
Diablo 4 Map Size:
When it comes to the size and scale of Diablo 4’s map, players might be surprised by thesheer magnitude of the game world. While the Beta area, which can be crossed inless than 20 minutes from east to west, provides a glimpse into the map’s expanse, it represents only a fraction of what awaits players in the full game.
Based on the available world map, the longest distance from east to west on the Diablo 4 continent or island is approximately twice the length of the Beta area. Assuming a character’s running speed of 6 meters per second and a time of 40 minutes to traverse the entire continent without any movement speed modifiers, we can estimate that the longest distance on the ground from east to west is around 14.4 kilometers.
The vast world of Diablo 4 comprises five expansive areas that await exploration:
Each region offers unique challenges and opportunities, contributing to the depth and richness of the game world.
Endgame Content and Replayability:
Completing the main story campaign of Diablo 4 is a one-time requirement, allowing players to progress with alts without revisiting the entire narrative. It is estimated that players will reach approximately level 45 upon completing the campaign. Additionally, Diablo 4 offers an array of endgame content, including seasonal Battle Passes, PvP modes, clans, open-world exploration, and dungeons, ensuring countless hours of gameplay beyond the initial 35-hour campaign.
Conclusion:
In conclusion, Diablo 4 presents an extensive and captivating story campaign that will keep players engaged for hours on end. With an estimated completion time of 35 hours, players can prepare themselves for an epic adventure through the chaos-ridden Sanctuary. The non-linear storytelling and the freedom to explore the vast world of Diablo 4 contribute to the game’s replay-ability and ensure that players will find themselves immersed in the Diablo universe for many hours beyond the main campaign. So gear up, sharpen your skills, and prepare to face the hordes of the Burning Hells in Diablo 4’s dark and thrilling journey.