Nah, the size of the apk have nothing to do with it. The issue was same with previous version i think ver 5.1.1. Com2us always find a way to block modded version so we just have to wait until our dear modder find the solution for this version. Or a possibility of error during the process of...
Thank you for this sir but version 5.1.2 mod seems wrong. It is surely modded however sir the monster HP is tremendous. Its like the enemy hp is 1 million. Its hard to kill.