 To scare the council into giving him clearance to fire the Zeus cannon , Hein lowers part of the barrier shield protecting the city . Though Hein intended that only a few Phantoms enter , his plan goes awry and legions of Phantoms invade the entire city . Aki , Sid and the Deep Eyes attempt to reach Aki 's spaceship , their means of escape , but Ryan , Neil and Jane are killed by Phantoms . Hein escapes and boards the Zeus space @-@ station where he finally receives authorisation to fire the cannon . 
