A humanoid with a significant amount of celestial or other good outsider blood in their ancestry. Aasimar heritage can lie dormant for generations, only to appear suddenly in the child of two mortal parents. Aasimars look mostly typical for their species, except for some minor physical trait that reveals their unusual heritage (hair that shines like metal, jewel-toned eyes, lustrous skin color, or even glowing, golden halos, etc). They often possess minor elemental resistances, limited spell-like abilities, and the ability to see in the dark.
First Reference: Chapter 17
Other Notable References: —