He more wanted to call her an idiot for not giving him any warning. But he definitely wasn't the type to try to hide behind anyone, no matter how capable they were. It was something that was still ingrained in him from his heroes days. No matter what, he wasn't going to put someone else in danger in this type of situation.

So he put up his own shield, able to easily create it in this world. It's seven-layer shield had a far easier time withstanding things when it wasn't the direct focus of the blast. No, thankfully it didn't shatter or he'd have some explaining to do to Rin about a gimped up arm it would cause.

When things were over, he could put it away, looking quite a bit frustrated at Nanoha as his world dissolved around them, depositing them where they originally stood before he cast the spell.