Ninjago: Dragons Rising: Season 4, Episode 9

4 - 9: The Heartbeat of all the Realms

The Loyalists march from Ninjago with the Weapon of Desolation in hand. Their leader raises an army of Elemental Monsters, and not even the Ninja, finally reunited, are a match for them. Meanwhile, Lloyd exits the Temple of the Green Ninja with new knowledge and powers, but his duty to the Whispering Wood might prevent him from saving the entire Merged Lands.