Diablo 4 Gaming PC Cooled With ‘Real Human Blood’ Is Still Pumping ‘Virtually Perfect’ Over Two Years Later

Kotaku

by Zack Kotzer

February 14, 2026

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Diablo 4 Gaming PC Cooled With ‘Real Human Blood’ Is Still Pumping ‘Virtually Perfect’ Over Two Years Later

Blizzard's Diablo 4 giveaway campaign featured a groundbreaking gaming PC cooled by "real human blood," drawing significant attention as an innovative marketing stunt. The rig, designed to promote the game, surprisingly proved its mettle over two years of continuous use without any performance issues. This durability highlights the potential of creative cooling methods in gaming hardware. The use of human blood as a coolant was an unconventional yet effective choice for Blizzard. Blood's thermal properties and natural flow provided efficient cooling, crucial for high-performance gaming components. While this method is not typical for PCs, it demonstrated how non-traditional approaches can enhance cooling efficiency and longevity, making it a standout feature in the giveaway. For gamers and tech enthusiasts, this experiment underscores the importance of innovative

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Originally published on Kotaku on 2/14/2026