O'Rly?
Shatter 20 squads that have been Frozen. (Multiplayer, Skirmish or Blitz) - Halo Wars 2
Prevent the Terminus from taking any damage for 15 waves (Terminus Firefight) - Halo Wars 2
Complete 3 Daily Challenges in one day - Halo Wars 2
1,437/5,278680/1,75057/126
2,707/2,7071,540/1,540204/204
2,774/4,3291,010/1,54047/70