A humanoid silhouette com4kd entirely of liquid darkness, kneeling at

A humanoid silhouette com4kd entirely of liquid darkness, kneeling at the edge of a dark ocean. Their ‘rifle’ is a harpoon carved from a dead god’s rib when fired, the bullet leaves a trail of floating eldritch runes in the air. The only solid features: a single ivory tooth floating where the head should be, and a sailor’s cap from the 1800s. 8K lovecraftian horror, ink-painting style with wet textures