Absolute Zero :
Complete Missions, World Events, or Strongholds on Grandmaster 1+ difficulty with Absolute Zero. ( Missions, World Events, or Strongholds 35/35 ). REWARDS : Absolute Zero The reward is a crafting blueprint for masterwork Absolute Zero.

Additional Notes and Trivia

• At launch strongholds were not included in the entry description.
  
• The "Time remaining" mentioned is only meant to represent the maximum time for the challenge to be completed when it is available.
• Challenges related to the base/lower version of this gear can be also be completed using the upgraded (Masterwork/Legendary) version of this gear.
• This challenge is always available, but may require progression through the story or leveling up to unlock.
• To see the main pages that aren’t a part of the Cortex but a part of the Lore, see below:
  • Legend of the Heart of Rage
  • Challenges in Cortex
  • Gear
• A list of all relevant cortex entries clustered in collections can be seen in Cortex Archives.