The ocean is so vast, and the surface appears calm, but the water surface you see might have drifted to an unknown place within minutes.
The flow of water is hard to detect with the naked eye, not to mention the turbulent undercurrents beneath the calm surface. Once caught in them, one would quickly sink to the ocean floor.
The four bodies disappeared shortly after being thrown into the sea. Someone informed Francisco about this, and perhaps Christopher did it deliberately, intending to anger him and make him lose his rationality, driving him to Sumuli Island.
Francisco, having completely calmed down, did not act impulsively. He merely informed Lance about the matter.
Due to the war, the situation over at Tangfei is currently very complicated. Lance would only return once the situation stabilizes a bit.
However, before that, he could collect a bit of interest.
