Infinite Damage Is Back in Diablo 4’s Season 9 PTR — Players Hit -9 Quintillion!

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The Diablo 4 PTR for Season 9 is underway and it didn’t take too long for players to break things and discover bugs! Just 20 minutes into testing, a player has managed to hit infinite damage, triggering a bug that causes numbers to go negative!

Source: Reddit

As you can see in the screenshot, the player managed to hit a damage number so high it overflowed into the negatives: -9,223,372,036,854,775,808, the exact lower limit of a 64-bit signed integer.

You can also watch a video with combat and the infinite damage chaos below.

Infinity Bleed Damage Barbarian Diablo 4 PTR May 27 2025