Oh I almost forgot to reiterate, I have not forgotten the sentence that was issued to me I am also, on top of all the above, sworn to give many many work hours into things like imperial city and reviving the library. I've already been dropping quite a few hours on the latter for instance.

If I recall constitutionally, and it could be changed, the only thing I had that is different is a) I'm a servant of whoever is emperor at any given time, and b) if the emperor isn't interested in being a judge in any cases, I was given the option of judgement before any king could volunteer for the role. Super suggest either formally amending b, or at the very least, I will never actually practice it and will defer to offers from any king to be judge at any time. Other than that, nothing else traditionally was different from a king at all, you are right.

Although philosophically I had a limitation kings normally didn't have (although a previous regent failed at this and brought instability and shame to his kingdom as a result). Technically, regents are supposed to put the empire before their subjective missions, while kings are actually sworn to protect their own subjective missions, under the assumption the emperor granted them divinity for the sole purpose of them representing divinity through the spirit of their nation. Something something.