The other three elemental spirits named were Gnomes (earth), Salamanders (fire), and Undines (water). Lakes and rivers held their powers too in the form of Nixes and Undines. Orange Planet is the largest water-guide company in Neo-Venezia, employing 81 undines (including 20 Primas). Youth (under 18) students are sorted into four houses&colon; Sylphs, Salamanders, Undines, and Gnomes. What undines lack, compared to humans, is a soul. It employs 80 undines, with a uniform lined with red.