Right? A thousand is a bit much for conversion to the next coin in value. Someone accidentally slip an extra 0 in there or is the difference in value between the coins really that pointlessly large?
Oh yes, lets try to kill someone who's clearly extremely important right in front of my office, in broad daylight for anyone to see. Totally not a bad idea, totally not a bad idea at all.
You know what, this MC won me over. When he sees what the magic stones do the very first thing he thinks, without even batting an eye, is how his fluffy maid (a slave) can use it to protect herself.