A striking cinematic poster featuring a desolated castle in ruins

A striking cinematic poster featuring a desolated castle in ruins, with collapsed walls and broken towers. Majestic mountains loom in the background, and a dense forest surrounds the castle, adding to the eerie ambiance. In the foreground the large mountain lake surrounded with mountains, covered in lush forests. Massive emerald-green serpent emerges from the castle's debris. It sports a thick, vine-like body, sharp-edged scales, and a Chinese dragon-like head. The serpent's glowing yellow eyes stare intensely, while backward-curving horns adorn its head. haunting and captivating atmosphere., poster, cinematic