Konoha Training Apk -ch.2 V0.19- -ongoing-

If you want to skip the stat grinding, use these methods (if supported by the APK version):

Balancing your character's energy and skills. Konoha Training APK -Ch.2 V0.19- -Ongoing-

Approximately 1GB - 2GB of free space depending on high-resolution assets. If you want to skip the stat grinding,