Eudial

ユージアル

Eudial (known as Eugeal in the English dub) is the first and possibly the leader of the Witches 5. She first attacks the Sailor Senshi in episode 103. Her name is derived from the mineral eudialyte.
In the anime, Eudial appears to be the oldest member of the group, and she is deeply resented by the others—especially Mimete—because Professor Tomoe seems to favor her. A brilliant inventor, she can construct and jury-rig weaponry and computer technology using everyday items; for instance, her Fire Buster weapon is made from a blender and a vacuum cleaner hose. Her affinity for machines also enables her to modify her computer to track down potential Talisman holders, stealing their pure hearts with a specialized gun and using Daimon to complete the task. The other members refer to her as Chief. Eudial is generally fairly even-tempered and level-headed, except when driving. In many episodes, she nearly runs people over, partly because her car emerges from underground tunnels in illogical locations. She carries a deadly shoulder-mounted flamethrower, the Fire Buster (later upgraded to the Fire Buster II), and later in the series booby-traps the under-construction Marine Cathedral. She actually succeeds in obtaining two of the Talismans, but loses them to Sailor Pluto. Furious, she escapes in her car, only to discover that Mimete has torn out its brakes and filled it with snails. (In the dubbed anime, they are "acid snails" and have dissolved the brakes, although one is shown sitting on her exposed skin without effect.) The car crashes over the highway into the sea below, killing her instantly.
In the manga, she uses the alias Yuko Arimura and leads the Good Etiquette division of Infinity Academy's Philosophy department. Her rank is Level 78. She leads some students to "Mount M" for a retreat and attempts to remove their Hostes during orientation. Sailor Mars and Sailor Jupiter appear and fight her. Sailor Mars uses her 'Mars Snake Fire' attack on Eudial, but it transforms her into a monster resembling a Gorgon with a black star on its forehead. She is then killed by Sailor Moon. Although never used in the manga, her strongest attack (according to the Materials Collection) is called "Fire Buster."