In the Homestuck Series, what is the alternate name for the Kingdom of Lights?

In the Homestuck series, the alternate name for the Kingdom of Lights is Prospit. Prospit is one of the two dream planets in the game, the other being Derse. It is associated with the light aspect and represents a more optimistic and idealistic worldview. Prospit is inhabited by dreamers who have a strong connection to their waking counterparts on Earth, and they often play a crucial role in the game's events as their actions can determine the course of the game's storyline.