Hymn of cleansing the Grey Knights, known as six Hundred Sixty Six Secret Words. Source: corrupted database 0/223/ink\6A (№ 394640)

Never unspeakable treachery is not upset
Our plans
Never Curse does not deliver us to our knees.
For us no peace,
We will always fight.
Though we are mortals under His command
The infinite is our True Service.
At Emperor Invocato DIABOLUS Daemonica
An exorcism!
The last part