Stage 3 -- KOSMOS is Sad Panda

Oh, how will you cheer her up? Alright, answer me honestly: I set up this scene so there is only one real path to this it, and if you ignore it, you can never get back onto it. You can't even beat Stage 3 if you can't get to it. Does that seem too unfair? I can easily mend this, though I'm not exactly sure how I would write the scene to go in that direction if you haven't gotten the necessary item. What do you all think?

Xenosaga is a copyright of Namco Bandai games, 2001-2006. KOS-MOS image provided by Primantis (you rock!), backgrounds from the Novelty program, and info on Ren'Py can be found here: [link]