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|“Better, we snuffed out their fire! Without it, they are lost.”|
|— Grimfax to Vex and the Ice Emperor|
Grimfax is a high-ranking Blizzard Warrior that leads battles.
Grimfax leads the Blizzard Samurai to the battle against the Great Lake.
Grimfax and his men return to the castle, with him stepping forward to report their victory. However, Vex is quick to tell him that they actually failed after displaying the fire still remains and how their numbers are lacking. Grimfax is stunned to learn this and tries to explain. The Ice Emperor is displeased at this and starts to freeze Grimfax, while Vex persuades him to carry out a severe punishment. However, Ice Emperor stops midway and tells Grimfax that he will atone for his mistake, much to Grimfax's relief. Following this, the Ice Emperor ordered him and his men out.
- The moment when Grimfax was nearly punished is similar something done to Harumi by Garmadon in "How to Build a Dragon."
- He is currently the only member of the Blizzard Samurai who doesn't have a minifigure
- Besides Vex, he is one of the few named Blizzard Samurai.