Summoning: Fuu-Ki

The third of the 6 legendary Oni. During this soul's life time, it's owner was a thief. Once caught, he was sentenced and held in the dungeons, in complete darkness. He died a slow death of starvation. Once dead, his corrupted soul came back to life as Fuu-Ki. It's missing face represents the time spent in the darkness of the dungeon, and it uses ultrasound to see. As it names says, it's skilled at Fuuton. Among villagers it's called the Storm of a hundred swords, as he uses his Fuuton to create slicing winds, destroying everything man made. It's 4 meters tall. It's arms and chest are covered in a thick armor, and as his little brother he is very fast and very agile.