[ He grabs one of Riku's hands and puts it over his heart, not sure that it's going to help but feeling like if he can make Riku focus on surviving this, then he'll likewise be confident enough to cast the darn spell. He realizes he has to... rev it up, basically. He's not skilled enough at this that it's going to take several smaller Cure spells before he can jog that memory of how Curaga works. ]

If you mean the Darkness disappearing off your arm as you nearly died, yes I felt that. ... All of it.

[ Only now is he piecing things together. ]

I... knew something was wrong before your images came. I felt it somehow.