Blight Serum

Blight Serum is an Event Add-on available to all Killers. It is no longer available.

Icon	Description	Cost
	THIS ADD-ON IS NO LONGER AVAILABLE (This Unlockable no longer spawns in the Bloodweb and can no longer be used in Trials, being greyed-out in the inventory. It may temporarily return during an Event.) A small amount of Compound Thirty-Four, the final serum The Blight had worked on before his transformation. Causes extreme mutations in high doses. Playing as The Blight, you benefit from the following effect: Grants 1 additional Token towards his Power. Playing as any other Killer, Blighted Serum temporarily replaces your Power with the Blighted Rush ability. Press the Power button to dash forwards at 200 % of your default Movement speed for 2.5 seconds. Start the Trial with 1 Token. Receive 1 Token each time a Survivor is hooked.	2,000

Movement speeds[]

Blight Serum applies an x2 multiplier to the Killer's default Movement speed:

Default Movement speeds	Blighted Rush Movement speed	Ditto in %
3.85 m/s (Nurse)	7.7 m/s	192.5 %
4.2 m/s (Shape)	8.4 m/s	210 %
4.4 m/s	8.8 m/s	220 %
4.6 m/s	9.2 m/s	230 %

Blight Serum was originally added with Patch 4.3.0 for the 2020 The Eternal Blight Halloween Event and could only be obtained temporarily.
- It is re-enabled yearly for the Halloween Events.
- It is always available in Custom Game.
Blight Serum was the first and to date only Universal Killer Add-on.
Using the Blight Serum with The Trapper allows him to Rush past armed Bear Traps, disarming them in the process.