Under a dark and ominous sky, pierced by lightning, a man wearing a sinister hood summons a... "dragon"!  Shimoda and some of the designers were trying to fulfill the order "has not wings but flies anyway" and were checking out the dragon for inspiration. However, a harried looking Mizushima rushes onto the scene.
If it's about being light, 
wouldn't hydrogen work?
إذا كان الأمر عن الخفّة، فألن يكون الهيدروجين مناسباً؟
Wasserstoff ist doch
auch leicht. Ginge das?
El hidrógeno también es ligero, ¿no?
El hidrógeno también es ligero, ¿no?
Sinon, l’hydrogène est léger, aussi.
Se ci serve qualcosa di leggero,
 non potremmo usare l'idrogeno?
Já que a questão é ser leve,
hidrogênio não serve?
Другой лёгкий газ — водород.