The Otherworlder.

In the year 3000, Earth was finally fed up with the waste of mankind, and the impurities they had caused it.

The only way for it purify itself was by evolving to a higher dimension, and with the Cosmos Keepers receiving it's evolution signal, they transported all lifeforms on earth to a tutorial higher dimension.

But with such boundless opportunity came dread dangers for mankind, and the supposedly tutorial dimension became a hell for the weak... But a paradise for the strong.
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This is the advent of Henry Dale, the 'Otherworlder'.