<a href="https://assistant-venusian.tumblr.com/" style="text-decoration:underline;">assistant-venusian</a>:
<p>Oh! Sorry, one more, before I forget... there's a paper airplane on the Cinnabar lab, huh? That's pretty cute! I wonder if they just used a blank sheet to make that, or if there could be something on that piece of paper.</p>
You move the drone over, carefully nudging the pattern to unfold it.
Oddly enough, there is something on the paper- a note?
Well, well! How thorough of you, sniffing about.Ace picked their assistant well!Good, good. Since you seem to like snooping around, I have a puzzle for you! Your thoroughness merits a reward, after all!
Who draws without a pen and guards against their own attack? The answer is the Key, though the lock you may still lack.