Demon attacks are rare.
Of course, a single traveler or a small group of them is so fantastically unsafe from such that no one in their right mind would do that in the first place, but large caravans are usually perfectly safe.
Demonic calligraphy supplies turn out to be meaningfully different from human ones! For one thing, demon hands are significantly larger on average and the brush handles are designed accordingly.
"Much to my delight, yes," she says, petting a brush handle affectionately.
Hugs.
"We could probably get Izaneth to make brushes more like what you're used to."
"I will happily continue making filthy jokes about your calligraphy supplies in the meantime."
"I have complete and total faith in your ability to make filthy jokes in any and all situations." Kiss.
Kiss Snuggle. Khythen looks around in case Izaneth happens to be around.
He holds up one of the brushes. "Unsurprisingly in retrospect, demon writing tools are not optimized for human hands."