When luffy uses gear 4th the old man ex Yakuza leader said he looked like the lord or god from myth. Or whoever it was he said
So when luffy uses gear 4th, that's just him turning into nika.
Gear 1 , 2, and 3 is Luffy just using powers from nika
And his awakening, gear 5th, is his hybrid form
So when luffy uses gear 4th, that's just him turning into nika.
Gear 1 , 2, and 3 is Luffy just using powers from nika
And his awakening, gear 5th, is his hybrid form