C453 Operation

The copper lock was heavy, beyond imagination.

It was not a large copper lump, but its weight was five times that of its original weight.

It was only when I held this copper lock in my hand that I realized that it didn't seem to be made of copper.

I couldn't tell what kind of material it was, but based on the feel of it, it should be some kind of strange stone.

If it was in normal times