This is an Experiment game, that show Yasuo skills from League of Legends.
First Skill: Q (after 3 hit's the next attack will be tornado)
Second Skill: E (Destroy Projectile or Tornado)
Third Skill: R (you can use tornado while using this)
Ultimate: T (Only Work when the target are in the air around 4 people high)
First and Third Can be combined.