Regarding the plane travel plan proposed by Leonard Ethan, the three historical followers were supportive, as such followers are closer to being Valiant Spirits for individuals like them.
And looking at the Cards that Leonard has obtained now, those usable by the Valiant Spirits draw close to zero. In other words, compared to Leonard, their path forward is truly cut off.
Although Joan, Mary, and Elizabeth are content with their current lives, since Leonard has proposed to search for a way for them to enhance themselves, they naturally support the idea wholeheartedly.
What's more important is that, given Leonard's current control over his extraordinary powers, he will soon need to start learning in this area. But the problem is that there is not much in this world for him to learn from:
