Background image in shades of golden and black, creating a mysterious and ominous atmosphere. The obscure silhouette of a magical portal is centered on the cover, emanating an ethereal mist in shades of blue and silver. Around the portal, insert aged golden arcane symbols. In the foreground, sketch varied characters, representing different classes and races, armed and ready for adventure. They look directly into the portal, as if they had just stepped out of it.