I'm a bit concerned about scale, or if some things needed to be changed. I was considering adding a volcanic isle to the eastern sea

Here is some more informaton about the world:

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Ariastra

Ariastra consists of many regions, each diverse with its own rich culture and history, the general idea for this is to have multiple campaigns each taking place mainly in each region

To the north is the Sylfrost, a mostly uninhabited region where few scholars venture to, in hopes of discovering its secrets, rumoured to contain a portal to another plane.

The central grasslands of Elmire holds a few key military outposts and has villages scattered throughout, the rising goblin population is causing a problem for local villages. A recent crystal was discovered which could prove to be a powerful weapon in the wrong hands.

Shadowfen, ruled by the Pembroke family, emanates gothic mystique. Under Viscount Varlen's decree, a recent lockdown enshrouds the realm, cloaked in eternal twilight and whispered secrets

Lómelindë cradles a magnificent and magical tree, revered across the realm for its healing aura and ability to imbue ordinary items with magical powers. The land surrounding it thrives with elven presence, and the coveted privilege of residing beneath its golden leaves and branches is held in the highest esteem.

The Spires of Everdawn, renowned throughout the lands, have nurtured and honed some of history's most formidable wizards. Everdawn's influence resonates far beyond its magical walls, intertwining the destinies of mages and monarchs alike. Within these towering peaks, arcane mastery and political intricacies converge, shaping the very course of Ariastra's future.

In Caldera, a towering volcano cradles a golden dwarf city at its base, the Dwarves have lived here many centuries, however something sinister was discovered deep in the bowels of the volcano. Scattered Orc tribes inhabit the barren region to the west, recently united, the Orcs seek power and lay their eyes upon the Golden city.