When the items were donated, there was no inventory list, so it's unclear if there was a key inside. However, if He Pu took that person's key and an accident happened, it should be considered... This person may not necessarily be the correct target.
Next, Xu Huo visited several staff members of the Mining Group and finally got another reliable clue. It was that the key was indeed originally distributed as a commemorative item, not to people within the Mining Group, but to some important figures. Of course, the key wasn't everything; there were other items made of ore.
