[By that point, she's standing again, materialized solid and miiiiiiight have been witness to at least the tail end of that moment. She considered escaping when it seemed Sakura would give up the fight for Tachibana, but his magic resonates within her again, new and reacting to the rage fueling him.]
[It's enough. Even if she loses his magic now, she wonders how far he will be pushed--must see it through, and so she stays. Says nothing, faces him.]