In Norse lore, the immortal beings known for their beauty and skill in poetry are the Æsir and the Vanir. The Æsir includes gods like Odin, the god of wisdom, who is also associated with poetic inspiration. The Vanir, including Njord, are linked with nature and fertility but also known for their wisdom and knowledge. These deities embody both aesthetics and artistry, influencing the creation of poetry and art in Norse culture, highlighting the importance of beauty and creativity in their cosmology and storytelling.