All challenges done as well as unlocked Gold eternal Knight style.
There is an index in the video description to jump directly to the challenges.
Search 7 chests at The Authority
Deal damage with shotgun or SMG x 500 and 15,000
Collect Fireflies from Weeping Woods x 5
Get 3 Eliminations at misty meadows x 3
Dance at Apres Ski dance floor for 10 secs
Destroy shipping containers at Dirty Docks x 7
Unlocked the Gold Style Eternal Knight