One of the three Couatl on the The Roaming Isle who are tasked with guarding the Mythallar that powers the island's movements. Alectos came into contact with a wizard, named Dresden, (later found to be Drezlin Nandar) and at some point was poisoned with Shadow magic. As a result, she ultimately become violent, ill, and died as a result of the infection.
Nocabi is the last surviving member of the original trio, with Gemere having been captured and slain.