train Batman in a horror world

In a realm where terror reigns, the world's greatest detective is forged not in the shadows of Gotham, but in the crucible of absolute fear. Meet Fury—the bat of bats—a mentor destined to teach even the indomitable Batman what it truly means to be afraid. This is the harrowing journey of a peculiar dark guardian taking a young Bruce Wayne across the thresholds of the multiverse's most terrifying and sanity-shattering worlds, transforming a grieving boy into the ultimate legend through trials of absolute horror.