Now that Kazuya has accepted the duty of exorcising any supernatural trouble that crops up, it's up to Kiriha to whip him into shape.
This lets you operate independently, 
without your owner around.
تتّخذين ذلك الشَّكل للعملِ بشكل مستقلّ
دون وجود حامِل
Vous prenez cette forme
pour utiliser tout seul vos pouvoirs.
Prendete questa forma per essere indipendenti,
per non dover sottostare a nessuno.
Vocês tomam essa forma para 
 agirem sozinhos, sem um dono.
Выходит, что действовать
вы можете даже без хозяина.