You got it! It turns out
that Cat O' 9 Tails would've thrown you into the lava pit, so it was a
wise choice to team-up throw. You successfully find the bonus barrel, and
eventually the DK Coin that is inside of it! Great job!
And now, ladies and gentlemen, the third secret letter is...N!
Keep track of this and all the other secret letters, as you'll want them
to fully complete the game!
Continue the Quest