While sparring, Feng Xi said to the Skeleton:
"Senior, nowadays everyone likes to figure out one big ultimate move in their swordplay—it packs a huge punch. But because it consumes a massive amount of spiritual power, it's pretty rare for anyone to use an ultimate move twice in a short span of time.
As for me, I can use them back-to-back, but I just can't seem to comprehend sword intent..."
Chapter 517