Epic FLEX Box is a special item in Counter-Strike Online.


A box that can be acquired based on the achievement of Epic Fragment during the event. When used, Incendiary X-12 (Inferno Cannon for Generation 2 box) and all types of Tier 6 Parts can be obtained.

Release date

Generation 1

  • South Korea: 9 January 2020.
  • CSNS: 22 January 2020.

Generation 2

  • South Korea: 9 July 2020.



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