Ussop's Observation Haki
While targeting sugar. Ussop under the pressure, suddenly unlocks his observation haki while aiming for sugar. He saw three auras of Luffy, Law and Sugar thru the window of the palace
While targeting sugar. Ussop under the pressure, suddenly unlocks his observation haki while aiming for sugar. He saw three auras of Luffy, Law and Sugar thru the window of the palace