By the time the buddies found the locked staircase in the First Hearth, Flint was carrying stones from every Nest he had helped. A blue chip from the Archive. A brick from Orin’s tower. A piece of Ravel’s doorway. He said they were useful supplies. Luna noticed that he never used them.
They had become promises. Each stone stood for someone he feared disappointing. If he set one down, perhaps a roof would fail far away. Perhaps a friend would discover that the little rhino who had helped once could not always arrive in time.
The staircase understood that fear. Every step added another stone to his back. At the landing, the Regent offered him a place in the mountain: become its unbreakable heart, hold every Nest forever, and never again need to choose whom to help first.
Flint almost accepted. He could feel the warmth of all those homes through the stone. Then a tiny crack ran along his horn. He had heard that sound before. The mountain was speaking, and this time the warning came from him.
He called for his buddies. Ember could not lift the load. Luna could not remember it away. So Flint told them what each stone meant, one promise at a time. They listened until the stones stopped being secret obligations and became places they might choose to visit together.
At the foot of the stairs they built a low circular seat. Everyone could reach it. Ravel, waiting beyond the doorway, placed the final stone without being asked. The staircase did not disappear, but it no longer demanded that Flint climb alone.
He still carries one smooth pebble, small enough to set beside a sleeping friend. He uses it as a reminder rather than a debt. There will always be another loose step, another roof, another Nest worth protecting. Strength is knowing how to help, how to ask, and when a shared foundation will hold more than a single shoulder.
When a new maker arrives, Flint brings that pebble to the threshold. Ember lights the room. Luna opens a path. None of them knows what the maker will build. That uncertainty is the best part. Flint puts the pebble down and waits for someone else to lay the next stone.