What did Moses intend to prove by declaring that Korach and his assembly would die an unusual death, if they could still repent in a single moment?

This source-based Torah study examines the question: What did Moses intend to prove by declaring that Korach and his assembly would die an unusual death, if they could still repent in a single moment? The canonical Hebrew discussion develops the issue through the weekly Torah portion and the sources cited there, preserving the distinctions, tensions, and practical implications of the original text. This localized discovery layer does not add any new halakhic, medical, legal, scientific, historical, theological, or empirical ruling or claim beyond the canonical Hebrew source.