Mutated Rat King reading an ancient grimoire in at a river delta, canvas weave detail, tall, vertical composition, crisp textures, atmospheric depth, and richly detailed focal elements.

The image shows a black and white drawing of a mouse sitting and reading a book. The mouse has a mischievous expression on its face as it reads, and its eyes are focused on the pages of the book. Its ears are perked up and its tail is curled around its body, giving it a friendly and inviting look.