Here is the full list of all 53 Wind of Luck: Arena achievements.
Destroyed 1000 enemy ships
Kill 10000 enemy crewmen
Kill 50000 enemy crewmen
100 hours in game
Has extinguished 3 fires in one battle and survived
Has destroyed 7 or more enemy ship in one battle
Has destroyed 5 or more enemy ship in one battle
Defeated 3 or more enemies in 100 battles
Played 100 battles
Looted 100 wrecks
Destroyed 100 enemy ships
Destroyed 10000 enemy ships
Kill 1000 enemy crewmen
Has destroyed 3 or more enemy ship in one battle
Defeated 5 or more enemies in 100 battles
Defeated 7 or more enemies in 100 battles
Played 500 battles
Played 5000 battles
Looted 1000 wrecks
Looted 10000 wrecks
First victory
First ship destroyed
First ship bought
First talent unlocked
A treasure seized
Looted some gold
Has destroyed 9 enemy ships in one battle
Has destroyed 3 or more enemy ships of higher tiers in one battle
Eliminated enemy fleet without losses
Level 10
Level 25
Level 50
Level 99
10 fires inflicted
100 fires inflicted
1000 fires inflicted
A mast destroyed
100 masts destroyed
1000 masts destroyed
10 thousand damage to hull
1 million damage to hull
10 thousand damage to sails
1 million damage to sails
10 wins on tier 9
100 wins on tier 9
First tier 5 ship bought
First tier 9 ship bought
Unlocked all abilities for a ship
Unlocked all ships from Asian branch
Unlocked all ships from Caribbean branch
Unlocked all ships from Mediterranean branch
Reached maximum crew experience for a ship
Finished battle tutorial