Researcher Pio:
Oh it's about the Windy Hill. It's where winds in different directions meet and make a vortex. However, we couldn't see the vortex with our eyes in the past.
But recently, perhaps due to the energy from the Wind Realm, the vortex has gotten so big that it's visible. Leaving the vortex will eventually harm the towns nearby.
We can't do nothing knowing that it's going to do harm. Speaking of which, can you do me a favor?