The increasing of Kes's gift in her last weeks on board Voyager was exceptional. The reason of this was the presence of Species 8472 in our dimension, Kes had terrible visions during the conflict of Voyager with these creatures. While she is following the battle, Kes can do the most impossible things with her powers. A complicated brain operation on the ex-Borg Seven of Nine. When it becomes clear that by the forces of Kes the hull of the ship is in danger, Tuvok tries to train her with a series of Vulcan mindcontrolpractise. But her forces are too strong and she is necessity to leave Voyager. And also left a 'gift'.