Velgryndra

Carved deep into the largest mountain on the Isle of Arcanum, the Sanctum of Eternity serves as the headquarters of the Reverend Primordials. The fortress is an architectural marvel of obsidian-like stone and crystalline ice, seamlessly blending with the frozen cliffs and caverns. Massive, rune-etched gates guard its entrance, flanked by towering statues of faceless figures, symbols of the Primordials' enigmatic presence. The interior is an intricate labyrinth of grand halls, war rooms, magical laboratories, and treasure vaults. At its heart lies the Primordial Chamber, a circular, glowing room where the Reverend Primordials convene, surrounded by arcane symbols pulsating with otherworldly energy. The chamber is also the source of the illusions protecting the island.

Aerial view of an imposing fortress of obsidian-like stone and crystalline ice nestled within frozen cliffs, with massive rune-etched gates at the entrance and towering statues of faceless figures standing guard under a pale, overcast sky.