[s11e27] Corruption -

A summary of the episode ("The Castle of the Overlord")? More information on Nya's development? LEGO Ninjago - Aired Order - All Seasons - TheTVDB.com

The sudden, forced turn of a close ally (Nya) creates high emotional stakes for the team. [S11E27] Corruption

Before leaving, the Garmatron is tested on Nya. This results in her being corrupted, turning evil, and gaining Garmadon's dark abilities. A summary of the episode ("The Castle of the Overlord")

Garmadon successfully completes the Garmatron, a massive cannon capable of spreading darkness. He, along with the Overlord and the Stone Army, drives the vehicle toward the coast of the Dark Island. [S11E27] Corruption

Lloyd, Misako, and Sensei Wu rush ahead to stop the Garmatron from reaching the coast. Key Themes