Many Naga legends hold that weapons fashioned of the wood from a thistlebark tree are capable of harming Chigai (the Naga equivalent of a "demon") and other wicked spirits normally impervious to the physical realm. Among mages of the Sphere of Spirit, this wood is sought after as a component in some more potent (and expensive) rituals, and some Naga lords will surround their grounds with thistlebark trees, believing it to be an effective ward of spells of scrying (as well as a hazardous deterrent to trespassers).

However, the majority of Titanians are members of a race of large bipedal, plantigrade lupines. Hence, the term "Titanian" is often used as a racial term rather than an indication of nationality. Lupine Titanians (also known as Titanian Jupanis) are very large, and are distinctive in having hairy manes as well as "fetlocks" on their forearms and sometimes legs. They are typically known as being very hardy and stereotypically dimwitted ... though somehow capable of considerable feats of engineering.

"Titanians" are dominated by a wolf-like race (known as "Titanians", even if not all Titanians are lupines), plantigrade, typically very large and exceptionally resilient, with large "manes" and "fetlocks" on their forearms and legs. Titanians have no native tongue, per se, other than a badly mangled version of Rephidim Standard, but they do have "Hammersong", a violent form of Morse Code, so to speak. While Titanians are typically seen as barbaric and stupid, they are actually mechanically talented in some areas, constructing giant machines ... which are never given a way to shut off, since they usually do so themselves (violently).

Titania is typically cold, with large patches of mostly barren (and crater-marked) land, marked by large networks of underground caverns.

Small reptilian domesticated creatures, almost spheroid in shape, tapering at each end into a scrawny neck and diminutive head, and a vestigal tail. They lay blue-purple eggs, which have a reddish-orange filling that is considered a Lamunian delicacy when eaten raw.

According to ancient myths associated with ideas that the Savanites might have actually once had an empire of their own, rather than always being slaves and savages, they were ruled by a Priest-King, who was supported by a circle of Priest-Mages known as the Twelve, who were, in turn, supported by the Twelve-Times-Twelve. These mages represented the twelve known Spheres of magic, and were responsible for training others of their kind in the ways of spellcasting on Sinai.

There are, of course, persistent rumors of treasures to be found in these depths, but also of monsters and other dangers as well.

Most of Underside is barren rock and crystal structures, but there are also large patches of kyootcumber vines and other vegetation clinging tenaciously to the stalactite-like structures.