Exile the most powerful jedi ever?

Seeing as how he broke the force...

Who is he?

The Exile is definately not the most powerful Jedi ever. He simply had control over a rare technique that no one else knew.

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The Exile was certainly not the most powerful Jedi. Revan was stronger and so were other Jedi. Anakin was stronger as well so no the Exile was not the strongest.

One word answer: NO.
Long sentence answer: NO. Anakin Skywalker was the strongest Jedi to live, until Episode III. Then he became weaker, but was still the strongest Force User alive to date. Only Leia and Han's kids, and then Luke and Mara's kid(s) were stronger than he. 😉

Exile probably wasn't the strongest, but unique very rare for one to be able to break away and bond so easily with others

He was simply unique. Strong, very strong. But not the strongest.

Agreed, the skywalker line is where the power is

yup...the force created the line fairly recently

no