Legacy of the Green Ninja Arc

The Legacy of the Green Ninja Arc is one of the story arcs of the series.
== Synopsis ==
Lord Garmadon has disappeared with all Golden Weapons and now he controls the Serpentine. 
Meanwhile, the Ninja intensify their training of Adam so he will be strong enough to defeat Lord Garmadon in their final battle. 
To gain evil power, Lord Garmadon goes to the Golden Peaks to convert all Golden Weapons into the weapon of creation – the Mega Weapon. 
After discovering the legend of the ancient Overlord, the Ninja embark on a quest to the Dark Island to defeat the Overlord and the Stone Army.
The focus character for this season was Adam, and the main antagonist was the Overlord. 
The Elemental Blades are the collectible weapons and the Stone Samurai Warriors were the villainous faction for this season.