Metal's father, Rock Lee, announces that he will train Metal to master the ultimate taijutsu technique, the Eight Inner Gates. The thought that he cannot fail this training fills Metal with anxiety, and he ends up buying an item that's supposed to calm his nerves. But it doesn't work, and his father ends up postponing the training. He then runs into Might Guy, his father's mentor and a hero of the Fourth Great Ninja War.
1. GATE OF OPENING
2. GATE OF REST
3. GATE OF LIFE
4. GATE OF PAIN
5. GATE OF CLOSING
6. GATE OF JOY
7. GATE OF SHOCK
8. GATE OF DEATH

There are eight places that control
the chakra flowing inside your body.
‫1. بوابة الفتح
‫2. بوابة الاستراحة
‫3. بوابة الحياة
‫4. بوابة الألم
‫5. بوابة الإغلاق
‫6. بوابة السعادة
‫7. بوابة الصدمة
‫8. بوابة الموت
Der Körper besitzt acht Punkte,
an denen der Chakra-Fluss kontrolliert wird.
Hay ocho compuertas que controlan
el flujo de chakras del cuerpo.
Hay ocho compuertas que controlan
el flujo de chakra del cuerpo.
All'interno del nostro corpo, 
ci sono otto sedi che controllano il flusso del chakra.
Há oito pontos que controlam
o fluxo de Chakra do seu corpo.
В теле есть восемь точек,
что управляют чакрой.