[So what Gadriel is hearing is you are all weak and lack devotion and dedication, and that's why you have on answers. Good thing he's here.] That balance will change. We will force answers from our captors. [By 'we' he mostly means 'him' but you're welcome to tag along, he guesses.]

And once corrupted, there is no way to purify that which has been tainted. Except death and fire. [Two whole options. He's such an optimist.]