Explore all of the Eidolon Caves

Catch 10 fish

Complete 10 bounties given by Ostron townspeople

Survive a night on the Plains of Eidolon

Kill 100 grounded enemies while in Archwing Mode above the Plains of Eidolon

Complete The War Within Quest

Fully unlock a Focus skill tree

Kill 10 or more enemies with a single explosion (Tonkor, etc)

Complete any 10 missions with a Kubrow equipped.

Complete 10 Nightmare missions.

Destroy 150 Security Cameras

Reach Rank 30 with a polarized Weapon, Sentinel, or Warframe