Peter
they meet up and go to the battlefield to defeat the white witch
Aslan, Susan, and Lucy lead an army to battle against the White Witch at the Battle of Beruna. Aslan ultimately defeats the White Witch and restores peace to Narnia. Afterward, they are crowned as kings and queens of Narnia.
They go to the white withches castle to revive all of the creatures that the white witch turned to stone using her stick thingy. They then went to the war
The children need to go to the Stone Table in "The Lion, the Witch, and the Wardrobe" to meet with Aslan and discuss the impending battle against the White Witch. Aslan uses the Stone Table as a place of counsel and decision-making for important matters.
Susan, Peter, and Lucy from Narnia were in a rush to leave the home of Mr. and Mrs. Beaver because they were in danger of being discovered by the White Witch, who was searching for them to prevent the prophecy from being fulfilled. They needed to reach Aslan to fulfill their destiny and defeat the White Witch.
After Aslan's sacrifice, as he lay bound, shaven and dead, the two children, Susan and Lucy, first tried to set him free. Then along came hordes and hordes of mice who ate through the thick ropes.
Susan was the second oldest of the Pevensie children. She was Peter's younger sister and Edmund's and Lucy's older sister who ventured into Narnia with them. In the Chronicles of Narnia BBC miniseries of the 1980s, Susan was played by Sophie Cook. In the 2005 version she is played by Anna Popplewell.
The word "summoned" appears in "The Lion, the Witch, and the Wardrobe" when Aslan calls for Peter, Susan, and Lucy to help him defeat the White Witch's army. Aslan summons creatures from all over Narnia to join the battle against the evil forces.
Aslan dies and all is thought lost. Until the stone table is busted and Aslan is resurrected. He rides into battle with Lucy and Susan, destroying the white witch and restoring peace to Narnia
C. S. Lewis later mentioned in a letter or interview that ALL the remaining stone creatures were freed at the moment the White Witch died. He apologised for not spelling this out in the book, but said he had assumed it was obvious.
The way it has been adapted in the movie shows aslan diving onto the white witch with her flat on the ground. They dont actually show what happens, but it's assumed that he bites her or mauls her - considering he's a lion.
Aslan comes to the White Witch's castle to offer himself as a sacrifice in place of Edmund, who was set to be killed by the White Witch as payment for his betrayal. Aslan's sacrifice is a key part of the redemption and salvation of Narnia.