Promote Commander to legendary rank 1

Simultaneously have 5 Japanese or German commanders in your roster

Destroy 20 enemy ships in Standard battles

Earn 20 ribbons (excluding the 'Target Hit' ribbons) in a single Standard battle

Discover the Chaos presence on Kadaku

Own 10 American or British ships in any proportion at the same time

Promote a Commander to rank 7

Cook something on a Danger Hob with an activated Gas Safety Override

Kill 5,000 enemies.

Reach Overtime Day 10

Kill 25 enemies with one stratagem.

Defeat a Bile Titan.

Earn 50 battle pass tiers.