Design a massive Gothic vampire cas...

Design a massive Gothic vampire castle as a fully realized architectural concept for a Minecraft mega-build. The castle should be an enormous, vertically oriented Gothic cathedral-fortress built into a narrow mountain valley, with the architecture rising dramatically upward rather than spreading into a wide rectangular footprint. The front façade is dominated by a gigantic central Gothic cathedral structure. At its center is an enormous pointed-arch entrance beneath a tall, elaborate Gothic façade, with a huge vertical stained-glass window rising above the entrance. The cathedral body should have multiple stacked architectural levels, buttresses, flying-arch-like supports, narrow windows, decorative tracery, balconies, ledges, and layered stonework. Behind and above the cathedral is one