Jack heard her words and a complicated expression appeared on his face, he has understood the situation completely, and now he knew that both Vieva's and Nicole's lives were in danger now. The dragons were the ones that were trying to harm them both, they wanted to kill Vieva because of the deal and as for Nicole, they were scared of her and wanted to remove her from the way.
These dragons wanted to rule on Earth and both Vieva and Nicole threatened their existence in this world. Vieva was a hundred of years old witch and she had many underhanded methods to stop them, she was a clever woman and in her presence, it was almost impossible to rule on earth till she was standing in their way and that was what the Dragons were scared of, they wanted to remove this throne form their way, so it is easy for them to get on this planet.
