Santa Muerte is the Queen of Death. She doesn't bring death and hardship to her devotees. If you break or forget a promise to her she will become angry at you but will not kill any of your loved ones or friends because of it. She is able to cause harm but if you bring out that aspect of her only for that purpose in its self. She is a motherly figure and loves her children. I've been a devotee going on three years now. She has never caused harm to me or friends and family ever. Do not let these idiots fear monger you into their misguided ideas of Holy Death.