The trap

Securing a deal with demons was one thing, maintaining caution throughout the whole encounter was another. Laerinia was being used and abused, but tried to remain vigilant, even though it was extremely hard with all that excitement, pain and pleasure. (Truth be said, while the demonesses aimed solely for their pleasure, the drow enjoyed some parts of it as well). Despite her vast experience she could not remain in top form for the whole duration; because of that she missed something she was not very familiar with.

During the ordeal, when the twins realized that their victim was exhausted enough, they began performing a ritual; it was a very long and intricate one, all the rites, gestures and spells were performed as sexual acts. They were abusing Laerinia and at the same time casting a complicated smell. If the drow was only watching the scene, not participating in it, she would have noticed what was happening; but in current circumstances she did not. For her own demise, because it was a spell of abduction, the demonesses planned to open a portal back to their plane of existence and take the sorceress with them.

When the portal opened it was already too late for Laerinia to intervene, she knew she got tricked and did not waste her strength for idle fight. She would need it for the time that was to come, if she ever wanted to return to her world.