You scanned through the books pages and one caught your eye, and without missing a beat, you instantly pointed your finger at the witch standing in front of you, as a light blue ray fired off from your finger and hits the witch square in the chest, between her large busts. the witch didn't move, nor flinch at all as the room suddenly went extremely cold, and frost suddenly began appearing in patches across the witch's body, before covering her whole in transparent ice, rendering her immobilized! You have successfully frozen her solid!
It worked! The beautiful woman was right there! Covered in ice! Helpless as she was Trapped within her icy prison! And it would seem that she would stay like that for a while, as the ice trapping her was very much enchanted, preventing it to be thawed out by any normal means, but can still be reverted back, if you wished to