ThisLord of the Ringsarticle contains spoilers forThe Rings of Powerseason 2.

Tolkien suggest that the Blue Wizards may have arrived earlier in the Second Age than the other three.

Or the Dark Wizard could be one of the Blue Wizards and the Stranger someone else entirely.

Ciarán Hinds as the Dark Wizard in the Rings of Power season 2

Maybe the Stranger isnt the first visitor from the sky that Harfoots have encountered?

But this is all speculation.

At least this time, we have a pretty strong inclination of what side he might be on.