Gamabunta and the other toads are defeated while Naruto is captured by Pain. Naruto attempts to fight back with Sage Jutsu, but Gakido sucks out his chakra, forcing him to go out of Sage Mode.
So this tower was the laboratory where
those black rod-like Chakra Receivers
إذاً كان هذا البرج مختبراً يتمُّ فيه غرس
لواقِط التشاكرا الشبيهة
Entonces en esta torre es
donde están esos receptores
Entonces en esta torre es
donde están esos receptores
Di conseguenza quella torre
 doveva essere il laboratorio
Então essa torre era o laboratório onde
aqueles receptores de Chakra
То есть та башня — лаборатория,
 где в процессе создания Пейнов