The bag goes on treating Carissa's hand to a variety of different extreme unpleasantnesses, switching faster and faster as the bag continues its work, as though trying to deliberately avert someone's ability to lean into the pain and come to any kinds of terms with it. This is not just a bag of pain; this is a bag of suffering.
Thrune's voice continues to whisper seductive encouragement. Depending on how much spare brainpower Carissa has, even with her intelligence headband, she may note that at no point does the voice address her as 'Sevar' rather than just 'you'.