Naruto has many cruel ninjutsu. Here are some of them: Amaterasu: A fire escape ninjutsu that can illuminate the entire room. However, the person who uses this technique must be enveloped by the shadow of the sun or else they will be burned or even die. [2. Thunder Cut: A ninjutsu that summons thunder balls and cuts them in half. When used, one will feel extreme pain.] 3. Wind Escape·Spiral Ball: A high-speed spinning wind ball that can easily destroy buildings and attack enemies. [4 Shadow Clone Technique: A clone technique can create multiple copies, but there are certain differences between the copies.] 5. Fireball: A ninjutsu that spits out fireballs from the mouth to burn enemies or destroy buildings. 6. Assassination: Including all kinds of assassination techniques and weapons such as assassination swords, assassination spikes, etc. can attack the enemy silently. 7 Sealing Arts: Including various sealing arts and forbidden arts such as Sealing Arts·Yang Escape, Sealing Arts·Yin Escape, etc. Can seal enemies or change their state. Although these ninjutsu looked cruel, they were all powerful combat skills and defensive means of Naruto. They played an important role in protecting themselves and defeating the enemy.