Ren is haunted by the deaths of his party members in a failed attempt to defeat the Spirit Tortoise, and doesn't want to believe that he might be responsible for what happened.  Myne seems ready to take his side and support him, but...
Its weak spot is its stomach.
نقطة ضعفه هي معدته
Sein Schwachpunkt ist sein Bauch.
Su punto débil es el abdomen.
El punto débil es la tripa.
Son ventre est son point faible.
Il suo punto debole è la pancia.
O ponto fraco dele é a barriga.
У этих тварей слабое место — живот.