Ond 's 9 - year - old son Chu , however , is an autistic savant .
Is able to jump into the wall of nants that has grown in the Lutter house , savant immediately jumps back out and the nants begin to retreat .
Ond 's 9 - year - old son Chu , however , is an autistic savant and is able to jump into the wall of nants that has grown in the Lutter house , Chu immediately jumps back out and the nants begin to retreat .