Bab 1253: The Treasury of the Bank!

Ace wasn't surprised by the furious voice. After all, he had just switched places with the other part and even taken his storage ring, though he didn't know if he noticed it or not.

Nonetheless, Ace decided to do so after careful consideration and calculations. The main reason for his blunt exposure was the Master Lock!

The thing about the master lock was that it could only be opened with the master key. From his observation and assumption, Ace knew this guy guarding this place clearly had the master key or an alternative key on him, which allowed him to open this sealed door locked with the master lock.

So, Ace took his storage ring and the master key. Now, if someone else doesn't have the key to open this sealed door, all this person can do is destroy this door locked with a master key, which should be extremely difficult.