They proclaim that the speaker has callously used people for her own benefit.
Explanation:
This is the sentence that best shows how the speaker is only concerned with her own pleasure. In this passage, the author tells us that she created many "martyrs." This implies that many people suffered because of her. Moreover, she tells us that the reason was that these people were "sacrificed to [her] desire." This shows that many people have suffered due to the author using them for her own benefit.
