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Rosalita Munoz was the woman who took care of Father Callahan's house. She has knowledge of the healing arts. She became Roland Deschain's lover when he came through Calla Bryn Sturgis.

Role in the Dark Tower Series[]

Rosalita helped Roland with his case of the dry twist. She gave him an ointment using "cat bile." After helping Roland, she became his first lover since Allie in Tull.

Rosalita was one of the Sisters of Oriza who helped Roland and his ka-tet stand against the Wolves. She, along with several members of Sisters of Oriza survives the attack.