He has the rarest class in the world, but there's no one who can teach him how to use it.

Tom Weaver must stumble through his skills, but unknown to everyone involved, his education has a time limit!

He has awoken the Ultra-Rare Class of Controller, allowing him to control the Core Stones of Dungeons in a society where tamed Dungeon Cores are as important as electricity is to Earth. This is not entirely a good thing, as he is soon to find out.

Through unavoidable challenges, he puts his village at risk. Only the timely intervention of Antoine Durand, a Hero from Earth, saves his friends and family from being overrun by hoards of high-leveled monsters.

When Antoine informs Tom that he is being conscripted into the Royal Knighthood due to his possession of a restricted class, Tom has no choice but to go along with the high level knight.

But while the king wants him to continue to maintain the Cores of the nation as others have before him, the world faces an existential threat that only a Controller like Tom can face.

The World Core is dying.

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This story is a slow-burn progression with multiple POV's. It focuses heavily on world-building and exploration.

This story is semi-reader interactive; the author pays close attention to comments, and there have been sporadic polls which have influenced the plot. These polls have been infrequent but significant, although they may stop at some point in the future.

Chapters 1-64 are considered book 1. An edited and improved version of book 1 is also available on Kindle

This story is participating in the April 2024 writathon.