 Meanwhile , the citizens of Oz , spurred on by Madame Morrible and Boq 's testimony , band together to help rescue Dorothy from the clutches of the Wicked Witch of the West . Glinda has realized Morrible , who can control the weather , is responsible for Nessarose 's death , but when she confronts her Morrible tells her that there is blood on her hands as well , and advises her to smile and wave . Glinda flees in horror to warn Elphaba as the angry mob sets out to kill Elphaba . ( " March of the Witch Hunters " ) . Elphaba captures Dorothy , refusing to release her until she relinquishes Nessarose 's slippers – the only things left of her dead sister . Glinda travels to Elphaba 's castle to warn her of the danger and persuade her to let Dorothy go . Elphaba refuses until she suddenly receives a letter saying that Fiyero has supposedly died . The two women forgive each other for all grievances , acknowledging they have both made mistakes . To help her in her future , Elphaba gives the Grimmerie to Glinda . The two friends embrace for the last time before saying goodbye forever , and acknowledge that they are who they are because of each other ( " For Good " ) . As the Mob Arrives at the Castle Elphaba forces Glinda to hide , and she watches from the shadows as Dorothy throws a bucket of water on Elphaba , who appears to melt away . Grief @-@ stricken , Glinda sees that all that remains of her friend is her black hat and the small bottle of green elixir which she had slept with under her pillow . 
