The Golden Compass -

Lyra travels further to find Lord Asriel, believing he needs the alethiometer to defeat the oppressive Magisterium (the Church). However, she learns too late that Asriel actually needs the energy released from severing a child's dæmon to rip open a bridge to another world. Asriel sacrifices Roger to create this portal.

: An exiled armored bear ( panserbjørn ) whom Lyra helps regain his dignity and throne. The Golden Compass

On her trek to the frozen North, Lyra gathers a band of unique allies: Lyra travels further to find Lord Asriel, believing