Before proceeding with the Dream Cultivation, Xue Ying had reached bottleneck in all three Daos of his. Even though there were some differences in the direction he headed during Dream Cultivation, and that there were some slight differences in the comprehension he had, they were still at the bottleneck. It was to the extent that he gained some understanding of the Ruler realm during cultivation.
As the two forms of comprehension clashed, it produced a genuinely mystical feeling.
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