Phoenix Wright: Ace Attorney - mia fey doodles - by 3amsoda

She is like a Fire Emblem parent in that her death is mostly for narrative convenience as part of conveying Phoenix's character growth. There is also the need for drama and raised stakes because plot.

I mean, there is a little difference in that despite being dead, Mia keeps appearing as an actual character through the original trilogy because channeling is a thing in that world.