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Dead by Daylight Wiki

Blight Serum is an Event Killer IconHelpLoading killer.png Add-on IconHelp addons.png.

Add-on descriptions may vary from in-game descriptions for reasons explained here.
Add-ons support Mouse-over functionality
(desktop version only): hovering over the modifier words with your cursor will reveal the values behind them.
On mobile browsers, the values are displayed in small text after the modifier words. Desktop users experiencing issues with the mouse-over may temporarily switch to mobile view at the bottom of an Article page.
Icon Description Cost

A small amount of Compound Thirty-Four, the final serum The Blight IconHelpLoading blight.png worked on before his transformation.
Causes extreme mutations in high doses.

  • Unlocks 1 Token to use on the Blighted Rush ability, which replaces the Killer's Power until consumed.

Press the Power button to initiate a Blighted Rush, allowing The Killer to quickly dash forwards, consuming 1 Token.

  • The Killer is unable to attack during a Blighted Rush.
  • 1 Token is recharged whenever a Survivor is hooked.
  • When used by The Blight IconHelpLoading blight.png, instead increases available Rush Tokens by 1.

Blight Serum is only playable during the Eternal Blight Event.


IconHelp bloodpoints.png


  • It was added with Patch 4.3.0 for the The Eternal Blight Event and could only be obtained temporarily.
  • It was the first and to date still is the only Add-on that can be used with every Killer's Power.