C1776 Lowering lamp
From the memories of the peerless Heavenly Monarch, it should be the easiest. Of course, it would be to rely on Candle Dragon to stop time and then extract.
But other than the Candle Dragon, there were other methods in the world.
For example, the methods of the Buddhism s.
Finding the three scriptures of the Buddha, the three scriptures combined one, would also stop time