The footprint's still worn into the rock. Shouldn't seven years of water have washed it away by now?

• ChohaWhoa, is this that waterfall? I heard the Sect Master counted forms under the cold water here!
  Yu HaranCould you close that mouth of yours.
  ChohaYes ma'am! ...But it really is worn in, though.
• GeumyaThere's the same mark on the rocks at Blood Valley.
  Yu HaranI didn't ask about that one.