They also show up in chapter 316 They're flying over Mahora Academy when they see the World Tree glowing like crazy. * * * Ch. 299 reveals that Ayaka is going to play a huge part in Negi's plan, which suggests that the "Mundanes" are gonna be involved big time. * Given that the Magic World is located on Mars (though "out of phase" in an alternate dimension), you'd figure the gravity would be significantly lower (about 3/8ths of Earth's gravity) and Negi & company would immediately notice it. Unless, of course, gravity just happens to be normal because A Wizard Did It (as is usually the case with other works that take place on Mars, like Doom).]] * Gravity magic is specifically mentioned to exist; Albireo uses it. Its only to be expected that The Lifemaker would think