Ahh, so that’s why she bubble-shielded your ass: to cover for her friends as they called for backup! And if she’s sending her out, then she’ll be coming back with some giant fuckoff animal or another which has the potential to cause some issues. Fluttershy looked reluctant to leave Twilight, but gained the confidence to leave when Rarity came over to reassure her, and the two took off towards the direction of the distant Everfree Forest.