The demon lord probably doesn’t exist and the king is just old, maybe over 100 and the queen, who is a elf child probably within the 100-200 year range, doesn’t understand this and thinks it’s a curse ( if you aren’t familiar with this, usually elves live way longer than humans, usually a few...
You know, this guy could just through himself into a swamp, particularly Florida, get bit by a bunch of mosquitoes, get them as familiars since all mosquitoes that bite are female, then cultivate them and release them upon humanity. I can see the headlines now... “Florida man seduces mosquitoes...
It so easy just don’t give them a reason to get revenge and they won’t. Manipulate their emotions because they are weak and easily swayed. They won’t become strong and wise if you don’t let them.
Wait a second. Why doesn’t this guy drain his friend to level up a bit? I mean sure it’s kinda fucked up but if he can control how much is drained he could probably level up a bit faster without holding the other guy back too much.