[As if that wasn't enough, indeed. Ignis is used to magic being held by only two or three people in the world, and has seen first-hand the grief it can cause to those who care for those people.]

That, and what that cost means. To watch someone that you care for slowly destroyed by the use of something that they have never had any choice in wielding. [And Ignis knows he has been privelaged in that position. Not many people would get to know the king personally.]

And then there is the Niflheim Empire's twisted use of it. Magitek.