[quote=@MelonHead]
<Snipped quote by Kimiyosis>

As long as you keep in mind the mission we're being sent on I'm sure you can think of some form of research that would make you worth sending. That's the only caveat for this RP, you can't have a skillset completely useless for the mission, unless you've lied about your credentials.

Which would also make an interesting character, though you'd need a good reason for why you lied about your skills. 
[/quote]

That part is easy. Lies about being a combat Mage. Since, from the OP, the group is going to Apotheoses to free a war hero. Somewhere else in the not-so-Op, the Messenger Magic users are rare, mostly only found at Apotheoses, and all else killed or probably hiding.

What researcher wouldn't try to join this expedition for a second hand experience and first hand look at these Messenger Magic users?
That, and they have a tower that can intercept these messages right? That also should be worth researching~

Actual use would probably be non-specialization of magic?
Granted, a soul is more tuned for one element, but one can try to force themselves right? So only good at one magic, but dabbled into others?