Seven Mounting Heavens, also known as Celestia.
Strictly speaking, the latter was its true name, while the former was the term commonly used by "Material Plane folk."
But because the Material Plane had the greatest number of mortals, that name had gradually been accepted across the Outer Planes and become the more widespread designation.
This was a land of radiance, embodying the ideal of ultimate goodness—the culmination of order and kindness, compassion and mercy.
Only mortal souls who deeply understood true goodness and order, and had made them the guiding principles of their lives, could come to this Outer Plane after death and be reborn as the lowest-ranking Holy Light archon petitioners.
They resembled spheres that emitted warm, tranquil light. As members of the Astral Deity race, they could freely cast spells such as Aid, Continual Flame, Detect Evil, and Greater Teleport (self only).
They also mastered many languages and could communicate with any creature. They could release a brilliant light that ignored all damage reduction to harm their targets, while remaining immune to Lightning Bolt and petrification.
Among the petitioners transformed from mortal souls across the Outer Planes, they could already be considered quite powerful.
Perhaps it was a reward for mortals who had spent their entire lives striving for goodness and order, or perhaps it was a generous gift from the good deities residing here. In any case, souls who arrived here would transform into Holy Light archons in an extremely short time.
But that was merely the beginning, not the end.
Every Holy Light archon aimed to ascend Celestia, completing all manner of tasks, making contributions, purifying themselves, and ultimately evolving into higher forms of Astral Deities.
Yes, you read that correctly.
Due to its powerful lawful inclination, this place, much like the devils of Baator, possessed