It disappeared... I mean, by the time I got out, I was trying to get help, but there was someone with me, and he died--

[ Yang breaks off again, shaking her head a little more fiercely this time. Seren's since disappeared from the colony, but it's still all too easy to remember his weight in her arms and how the life had just drained out of him before she could do anything. ]

That was... the last time I saw it.