. "Ninja Techniques, also referred to as Ninjutsu, are the techniques used by ninjas that give them special powers. The techniques are set up into different types and are activated once a certain hand seal or a number of hand seals are preformed in the correct order. It was soon revealed by Ryu that a ninja technique could be easily blocked by simply knocking out the user before they perform it."@en . . . "Ninja Techniques"@en . . . "Ninja Techniques, also referred to as Ninjutsu, are the techniques used by ninjas that give them special powers. The techniques are set up into different types and are activated once a certain hand seal or a number of hand seals are preformed in the correct order. It was soon revealed by Ryu that a ninja technique could be easily blocked by simply knocking out the user before they perform it."@en .