Board Thread:Questions and Answers/@comment-30938718-20171120163153/@comment-32930549-20180116190430

The Most powerful is the Overlord (as the Godlen Master):

He has The power of Darkness and all the powers of the First Spinjitsu Master. And if you bring up "but he was defeated by Zane", well, it's a Plot indueced stupidity.

However, the most powerful thing in Ninjago is easly the Yin Blade.