The fires of tribulation would refine their love, allowing it to emerge resilient and enduring, like a masterpiece that had faced the crucible and emerged more beautiful and unbreakable.
Only by suffering together through the ordeal could they build a relationship that would be strong enough to last them a lifetime.
Despite what Christina believed, Zach was not someone who would let Christina suffer if he could help it.
He vowed to save her soon. He wouldn't let her stay away from him for long, especially after knowing that it was all his fault that Christina had to go in the first place.
Had he been strong enough, he would have kept her by his side even if he had to fight the empire for it.