Dodging attacks or running away would be the main use, for traveling or for getting into secret spaces is also possible. Soru is essentially teleportation in King Piece, so it can be used for many different purposes. There is no level requirement to obtain Soru, it can be bought for 50,000 Beli at Soldier Island. Soru, in English called quick step, is the ability to speed almost instantaneously by kicking the air 6 times in a second.