After the scene outside the castle, Tara let us in and I already met his friends, Light, Sheer, Plum and Melon, that help him maintain and take care of the whole mountain.
I also know that the village at the foot of the mountain is actually built by them and they put some quarters there so that they will notify immediately if someone will try to hike the mountain without getting permission from them or the government.
Rita Mountain is known for having so many minerals that can be mine.
There are so many mining companies that try to negotiate with Tara so that he will allow them to mine those minerals but my brother sent them away and insisted that no one will be allowed to mine the mountain.
So they are not just maintaining and taking care of the mountain. They also protect
