The All-Seeing Eye is an item canidate for SSB4. It grants players with unbelievable powers. The powers and buttons that activate them are as follows.
B = Gives player instant Final Smash (Not used in Adventure Mode, unless it's in a Character Battle).
A = Gives player 1 minute Invincibility.
X = Heals Player.
Y = Gives player flight.
Select = Sees Boss' Weak Points (Adventure Mode Only).