The Churning of the Ocean of Milk was also known as the Sea of Life in Indian mythology. But that Sea of Life was meant for gods; for humans, the Churning of the Ocean of Milk was lethal poison. Touch it, and death was immediate.
There was another legend concerning the Churning of the Ocean of Milk: supposedly, it contained ambrosia that granted immortality, something even gods coveted. Though gods lived far longer than humans, their lifespans still had an end. Just as Norse mythology had the Twilight of the Gods, every pantheon had something similar.
Thus, even gods sought immortality, though from the current state of things, none seemed to have succeeded. Rahu also apparently became powerful because of the elixir of immortality. In any case, there were too many legends about the Churning of the Ocean of Milk. Even though the one here was not the genuine Churning of the Ocean of Milk, Shen Fei was still curious about something so miraculous.
The real Churning of the Ocean of Milk was a boundless sea, while the one before them was merely a vast lake. As Karna, Mash, Ritsuka, and the others discussed how to cross it, Shen Fei went to the lakeshore and began collecting the white water. This was the legendary Sea of Life. Even a weakened version had tremendous research value.
"No. If you cross alone, there is a strong chance they will defeat you one by one. From what Ashiya Doman said earlier, he likely came here to obtain the Imaginary Tree's power."
When Karna proposed crossing the great lake alone, Sherlock Holmes decisively rejected the suggestion. Karna had already been at a disadvantage in his earlier battle against Arjuna. Going alone now to face Arjuna, who had gathered the Imaginary Tree's power, would only