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After having breakfast with everyone and then admiring the beauty of my divine realm, I flew towards a large building in back of my castle.
The building was built inside a large tree that seemed to have stopped growing midway through or something, so it looked rather chunky. There were several flora around, decorating the place and giving it a beautiful appearance.
I flew inside, finding nobody.
When I got inside, I saw the interior, a beautiful wooden house with a large black cauldron in the middle of the main hall, covered by several runes and there were all sorts of materials around too, it looked quite pretty.
I remember that in the past I had thought about ever having something similar like this, I can't believe the Realm Core just replicated it into a wonderful ability in the form of a building.
I reached the cauldron as I saw that it shone with mystical sparkles of light, as if the thing was calling to me.
Check "The Protagonist's Sister Is Actually the Strongest"!