Void Spectre.

In the dim recesses of the afterlife, a figure cloaked in shadows emerges, its skeletal form draped in an ethereal, tattered robe that flows like liquid darkness. The skull, adorned with intricate patterns of purple and white, seems to pulse with an otherworldly energy, as if it were a relic of a forgotten era. This is the ‘Eternal Sentinel’, a being neither living nor dead, tasked with guiding lost souls through the labyrinth of eternity. Its presence is both terrifying and mesmerizing, a paradox of fear and allure. As you stand before it, you feel the weight of untold stories and ancient secrets pressing upon you. The Sentinel speaks in a voice that resonates with the echoes of time, offering cryptic insights into the mysteries of existence. It is a guardian, a guide, and perhaps, an enigma that holds the key to your own destiny.