"Thanks." Being in tune to the same magics means she can feel the strength of that protection, it's very strong stuff and she briefly wonders how long it took him to gain this much power.

He had such a grace with casting that she feels like an acolyte watching for a moment in awe before she's able to follow his lead to start patching the cracks from the edges.

They won't be able to fix it completely but it will buy them the time they need to figure out stronger spells.