Roughly two and a half months have gone by - at least in Orkathel; due to the nature of the Wilds, time doesn't always sync up perfectly with the rest of the world.
Actual construction work is proceeding fairly slowly, though it sped up a bit once Epsilon acquired some of the appropriate spells to assist. The temple area itself is at least reasonably refurbished, though permanent works outside of that are still at the planning stage.
On the plus side, you've managed to procure a contract for the famed artist (and architect, and sorcerer)
Kiaskurro to come and help with the city's design and construction - as soon as he's done with his current job. Supposedly this will take just a few more weeks, though what that means in terms of time in Orkathel is anybody's guess. In the meantime, he's sent a team of high kobold wizards to begin surveying the area, with particular attention to the magical and geologic structure of the ground underneath the temple.
Vorel has - much to her dismay - ended up spending much of her time dealing with the massive amounts of paperwork involved in ordering supplies, bringing in people, keeping things running relatively smoothly, and making sure that it's at least reasonably non-trivial for anyone outside Orkathel to figure out that somebody is trying to build a city. It's an important job, that needs to be done, and one she's fairly good at - but none of that makes it any more fun.
Still, apparently someone has made the right connections - your contacts in Targrove are reporting a few new rumors about a supposed chromatikin city. At least nobody seems to have any idea of where it is; the most popular variation on the rumor places it somewhere in the Arkwood. And, for what it's worth, the name "Orkathel" hasn't come up yet.
Skirrik shows up on rare occasion, but there's no indication of what he's actually spending time on.
Gregor: You've been able to find enough competent chromatikin to set up a (fairly minimalist) set of guards around the temple site. After some practice, they've reached the point where they no longer require constant oversight - though having either you or Vorel or Kailyn stay close at hand is probably still a good idea. Speaking of which, Kailyn returned about a month into this period, stating that, at least for the moment, he's more needed here than off with Stewart and Luma and Aurora.
While several powerful and dangerous monsters have shown up during this time frame, the worst of the lot* are the numerous raptor packs; they are smart and fast and sneaky and seem to hunt for fun rather than for food. Recently several of the guards have turned up dead at their posts with the distinctive ripping wounds of a raptor's claws - no bite marks, no surrounding tracks, and, worse, nobody saw or heard anything. Needless to say, even with access to resurrection magic, this is not good for morale.
Thirwin: Spell research is complete. Initial studies of arcane magic are complete - there's still a long road ahead of you, but at least you can get some cantrips working now.** The artifact is still definitely a work in progress, though; you're still too early in the research involved to be sure of even how long it's going to take.
The Chaos tribe is starting to learn the value of discipline, but there are also signs of discontent; it might be a good idea to find them a real foe to fight at some point in the near future.
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* Well, ok, that half-breed basilisk / hydra was pretty bad, too. Especially for the people who got only half petrified; Vorel can attest to that being particularly unpleasant.
** Most people would not be able to learn the basics of wizardry in a few months - let alone while also doing other things. On the other hand, most people haven't already mastered some other branch of magic.