Seeing the boy summon that familiar Keyblade and call on the same magic slams Riku back into himself with all the mercy of a dull guillotine, a dissonant note that kicks a hole in the wall Riku's been trying to keep up around the parts that are still heartsick over the people he's had to bury.

Because those things are Sora's when a lot of other things aren't.

Not much happens on the outside. Link gets it. He's someone who has to stuff down the things he's feeling because what he's needed for doesn't leave room for being a person with a heart to break. A whole kingdom needs their legendary hero to be strong all the time, it's not something a guy like Link can switch on and off, is it?

But it does make Riku's typing on the network sloppy, it makes him a little more harried when he tries to solicit help to make up for all the things he personally lacks. Eventually, he gets what he hopes will work, he doesn't turn back around, cradling his tablet in his bestial arm, trying to keep that hidden. There's enough alarming going on.

"A doctor is coming. Lie still," he warns, adding, after a lengthy pause, "Please."