Pretty much all of the stories of Star Wars Rebels that were connected to the Force converged at the pathway.
Additionally, the pathway explained why exactly there are Force-sensitive wolves running around the countryside, traveling impossible distances within mere moments.
The presence of the pathway as a conduit to the Force also explained what drew the Ghost crew to Lothal for such a long time.
They were connected to the temple, and Kanan’s will even embodied a gigantic white wolf after his death.