Season 4 has just begun for Call of Duty: Modern Warfare 3 and Warzone, and it has already kicked off a limited-time event where players can get the new World Ender weapon blueprint for free. Here is how to get the World Ender blueprint in MW3 and Warzone.
How to Unlock World Ender Blueprint in MW3 and Warzone
Modern Warfare 3 and Warzone players can get the World Ender weapon blueprint for the FR 5.56 assault rifle bycompleting the Critical Countdown event before August 01, 2025. The event began at the start of Season 4 and will run for about a month to coincide with the seasonal Reloaded update.
The Critical Countdown event has playerscollect different-colored stands of DNAthat will drop from both other players and Zombies when killed. The event can be done in MW3 multiplayer, MW3 Zombies, and Warzone modes.
There arefour different strands of DNA to collectand only two are available from the start. The other two will unlock in the coming weeks.
Players will have to collect a grand total of12,500 Ade, 12,500 Cyto, 9,350 Thy, and 6,250 GuaDNA samples. Completing these Mastery Challenges will unlock the World Ender weapon blueprint.
Full Rewards List for Critical Countdown Event
Modern Warfare 3 and Warzone players willget other rewards for collecting specific amounts of DNA. Here is the full list of all Critical Countdown rewards:
For more on Season 4 in Modern Warfare 3 and Warzone, please check outhow to get the Kar98kfor the modernized take on the classic WWII weapon
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