Talin doesn'twrite in a journal, for obvious reasons. However, he does mutter to himself a lot, which is the form most of these entries actually take -- things he says to himself (or to his Patron) when he thinks no one is listening.
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"Sent on a recon mission from you, Big Man. Not my usual gig, but one I'd clearly excel at. First sign things were off, my contact was a fucking illithid. But we always listen to what you says, right? So, fine. Good little Talin. Just walk ten feet away from the Thing and the tentacles can't get you."
"Second sign, the fog. Sticks to everything. Doesn't smell right. Doesn't feel right. Marching through the middle of nowhere with the Thing and let me tell you he is NOT a good conversationalist. No wonder no one likes their kind. I keep talkin and keep an eye on him. Then there's these children up ahead asking for our help... Help yourselves! Took an apple I'd plucked the morning before when I tossed it at em, to be all compassionate-like, right? So they're probably not ghosts. Ghosts don't eat apples right? That's what I've heard. Elves, talking to the children seem at least able to handle themselves, and they might be useful if the thing tries to suck my brain out of my nose-holes in my sleep."
"And now there's a human staggering out of swirling columns of the stuff, talking with a peculiar accent. He carries a spiked ball on a chain though, so he can't be all bad."
"Those kids didn't even thank me for the apple. Ungrateful shits. But the thing is, I didn't like the look of those woods, and the mist was getting worse... Where else was I going to go? So, yeah sure. Let's 'help' the kids. Fine. Big mansion. They had nice silverware... at least five pounds! That's maybe 200-300 silver by the time it's melted down. Not a wasted night after all."
"Though a suit of armor did come alive and crack me in the jaw. I put an arrow clean through it, and surprise surprise, the Thing gets all the credit for putting it down. No glory for people like us in the Society though, right? So anyhow, are you going to get me out of here? Am I supposed to keep tagging along? Can you still hear me? All I know for sure is there's no way we're in Faerun any longer."