You decide to check on your lusus. You aren't sure why you thought that given that your lusus has been dead for at least a couple of sweeps but hey you do it anyway.
That jar sure is sick. Your lusus was planing to take care of another grub, but just mysteriously died? You have no idea what happened there it was super weird. Anyway, you decided that you would keep some of their ashes in a jar, because burning shit is cool and also you kinda liked them for the most part and having a bit of them around is nice.
You could have been some sort of fucking weirdo and got them stuffed but nah this is much better and less creepy probably.