Calchas advised Agamemnon to propitiate this goddess by sacrificing Iphigenia.
This deity saved Iakhos, the son of Aura, who was driven mad after being raped by Dionysus at this deity's request. The Elaphebolia and the Mounikhia were festivals dedicated to this deity, who had a major cult center at Brauron. Hermes and Apollo's affections prompted Chione to foolishly claim that she was prettier than this goddess. She covered herself in mud to thwart the advances of Alpheus, from whom she also rescued the nymph (*) Arethusa. Calchas advised Agamemnon to propitiate this goddess by sacrificing Iphigenia. This goddess sent a boar to ravage Calydon and shot the daughters of Niobe, who had claimed that her children were superior to this goddess's mother Leto. For 10 points, name this twin sister of Apollo, the Greek goddess of the hunt.
This deity saved Iakhos, the son of Aura, who was driven mad after being raped by Dionysus at this deity's request.
Artemis [or Diana until "Greek" is read]