Sophia nodded. Her face stopped showing any emotions a while ago, she appeared concentrated and prepared. She approached the Thunderhwak's ramp and turned to face the marines.
'So it went that far already' she said in a low, decisive voice. 'Fine, then.'
She looked at each marine separately for a long while, her eyes as warm as they have always been.
'By the authority of the Inquisitorial Remit granted to me on the behalf of God Emperor of Mankind, of Father and our Saviour, I thereby take command of this kill-squad for the duration of this operation. Before you, Angels, I oath to bring salvation to the world below, to cleanse it and return to the Imperium pure. I swear to never surrender, never fear, never retreat. May my will be as strong as adamantine when I deliver the world from the enemies Within, Without and Beyond.'
She brushed aside a wayward strand of hair falling onto her eye, and finished the oath, her quiet voice echoing in the silent hangar.
'Allfather guide my hand.'
Assuming direct control and taking the Oath of the Emperor