Bump for translation since we don't know why she's trying to say Jeanne's Noble Phantasm.
Can't translate it properly, but basically she's saying that Jeanne's NP is super useful since it can heal the party and I think Shirou's laughing since her pronunciation is off.
Luminosite Eterinuluu!!Luminizi...Luminosite Ellerneul*inhale**exhale*Cough CoughLumu...SABEEERR!!!.........
I'm not stutteringBut really, Jeanne's Noble Phantasm is really excellentHaha, you're stuttering, Saber