The King Is Dead, Long Live the King! Achievement
The King Is Dead, Long Live the King!5
Win a Regicide game.In a regicide game each player has a King they must defend. The objective is to kill the enemy king. The best way to do this is 1vs1 random map against an easy AI, Tiny map, any other settings.
You will also want to try and kill the king with a Petard or Demolition Ship as by doing so you will also unlock Out with a Bang (20G).