Esgar Dark Star and Yavanna Planet converge every 120 years. The intersection of the two planets generates strong mutual gravity, forming a huge tidal rainbow bridge. This phenomenon is called star track countertide. Whenever this time of year comes, the Illumi Continent will usher in a new round of alien migration.
Above the skyline of the entire Yavanna planet, the outline of the huge Esghar Dark Star is becoming more and more clearly visible, indicating that the next star track reversal is coming.
Maybe the protagonist who saves the world in the end is not Feiman himself, but his journey is never just for this.