((Consider the Observatory as a one-stop shop. Whatever you need to buy is on-hand; you just need to subtract the cost from your character sheets. This is more for game balance purposes than for RP; as far as RPing goes you can just play it as though the resources are provided to you automatically, or you find scrolls in the library, or what-have-you.
I don't think gold or wealth are going to be a part of the RPing in this game at all, actually. It's just going to be a behind-the-scenes game balance mechanic, which means I'll occasionally tell you to add X gold to your sheet. If you think this may be a problem for some reason, shoot me a message and we'll work it out.
As for extreme temperatures, they require regular fortitude saves, and if the temperatures are extreme enough, you start taking lethal damage. If it comes to that, then you can flavor it as Ozzan'gac evaporating/freezing for example, but it probably shouldn't come to that. I haven't looked specifically, but I'm assuming that SOMEONE has enough gold to afford a few Scrolls of Mass Endure Elements, or can spot Menek the cash to acquire the formula for it if he doesn't already have enough.
And Nezumi, I haven't forgotten about you, don't worry. I'll PM you answersr to your questions tomorrow))
"Your job," the Raven Queen says to Menek, "Is to identify the source of the disturbance and stop it. You needn't worry about the souls themselves; that is something I will deal with personally. How you choose to stop the disturbance is your decision, so long as it gets stopped."
The Raven Queen stands from the table. "I'll be monitoring your progress from afar. I wish you well on your journey; the Abyss is a dangerous place. Be alert." Just like last time, she vanishes.
The Raven Queen's mention of The Abyss and Gruumsh triggers a series of memories in Menek, who happens to have done a great deal of research on it, though it was many years ago. After an extended stay in the Observatory's library to job his memory, he can recall the following.
Gruumsh resides in the Iron Fortress, a place of blood and chaos, located in the center of Nishrek, the First Layer. Gruumsh's rule over the Abyss is loose at best; he is constantly contending with challenges to his authority and spends almost no time governing. He is the creator of the Orc race, and therefore the majority of denizens in the Abyss's first layer are Orcish, with a minority of demons; Orcs are not typically known to reside in deeper layers.
There is an arena in the First Layer where occasionally, loosely-structured 'tournaments' are held, which are really more like free-for-alls where all the combatants slaughter each other. Typically, the only time there is a victor is when Gruumsh himself chooses to participate.
Gruumsh is Chaotic Evil.
As for the rest of the Abyss, while it is impossible to know all there is to know about the place, Menek is knowledgeable about some of the Demon Lords who populate the first few layers. Apart from Gruumsh, one of the more famous of these lords is Orcus, who has challenged Gruumsh's authority over the First Layer on multiple occasions, and is also the only one to emerge from the ordeal unscathed. He lords over the Fifth Layer of the Abyss, known as "Thanatos, the Belly of Death," which is interesting, as that also seems to be the name of the vulture that Ciel keeps as a pet. Thanatos is populated with demons, but it also contains unusually high numbers of undead creatures; Orcus considers himself the Lord of the Undead.
Menek also has at least a passing familiarity with other assorted Demon Lords and the domains over which they rule.
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The "airship," as the Raven Queen called it, looks more like a compact battle cruiser than a flying machine. Elongated, smooth, and metallic, it looks like something that could plausibly have been used in the Pan-Skirn Wars, though it would have been unusually small and a bit outdated; the whole thing is approximately fifty yards from front to back.
The ship is manned almost exclusively by archons, which regard Fleshbane neutrally as he tours the ship. Inevitably, during his time on the ship, he crosses paths with a middle-aged and unusually spry halfling.
"Well well! Our first passenger!" it exclaims happily. "Pleased to meet ya! The name's Bungo. I'll be pilotin' around you and your crew. Far as I hear, the first stop is the Abyss. Nasty place, that! Lucky for me I get to stay on this here ship, where it's nice and comfortable!"
His demeanor is relaxed and friendly. He spreads his arms and gestures all around. "And speaking of the ship, ain't it a beaut? It's called the Phoenix Maelstrom, and 'tis the finest craft of the land or the sea that I've ever had the honor to man!"
He smiles widely as he looks around. After a moment his gaze returns to Fleshbane. "Well, I've got a lot of pre-flight preparation to go through. Make yerself at home! Ye each have a bunk and an Archon to tend to yer needs, and I'll be in the cockpit if ye need me for some reason. It's been fun!"
He bounces out of the room.
Fleshbane finds that the same safeguards which prevent him from murdering his "teammates" are also keeping this creature safe.