>>10801208A reboot would try something new anyways, and when it comes to something like a soft-reboot, the island of Mata Nui was first burnt to the ground before it shattered into countless of pieces. It quite simply does not exist after Mata Nui woke up.
And if I'm completely honest, a nordic theme is not only very safe and it wouldn't be beyond Lego to jump on the viking train. They are always few years behind popular culture.
And no the irony of using God of War as example is not lost on me, as that's exactly what they did after ancient greece.