Because Prince Nataku had awakened after five hundred years and was the original person to defeat Gyumaou, Sanzo and his party were relieved of continuing their journey west.
Why did you keep quiet about 
the mark in the first place?
لماذا ظللتَ صامتاً بشأنِ العلامةِ أصلاً؟
¿Por qué no me dijiste
nada sobre la marca?
¿Por qué no me dijiste nada
sobre la marca?
Aliás, por que você não me
falou antes da marca?
Чего сразу не сказал про метку?