This is the knife that can be purchased by everyone but varies in colors. They are marked as the following according to the number of kills:
- 10 Kills: Purple.
- 20 Kills: Blue.
- 30 Kills: Green.
- 40 Kills: Yellow.
- 50 Kills: Red.
The color is only applied during the event and vanished when the event ends.
- South Korea: 10 July ~ 23 July 2014.
- This is the first melee weapon which can change color due to the number of kills.
- Survival Knife at Wikipedia.