Complex sentence: There is a legend of a Masamune blade and a Muramasa blade being put into a river strwn with lotus leaves, the leaves would swirl around a Masamune blade untouched, but the Muramasa blade would cut them.
Split into simpler sentences: There is a legend of a Masamune blade and a Muramasa blade being put into a river sterwn with lotus leaves. The leaves swirled around the Masamune blade untouched, but the Muramasa blade cut them.