Quote Originally Posted by Punainen View Post
No, it means Rivenroad will give you some kinda reward only once. Probably something unimportant like exp or seals, or maybe something everyone gets 100%, but hardmode will apparently have (Dear God, here we go) a low drop rate reward...
It says the former will not give an reward after you beat it once, this is why i asked is because the former fight they mentioned is the hard mode.