Sirin awoken as a Herrscher, She is prideful, overconfident, haughty and very blunt deeming humans as nothing but insects and believing herself to be the God's chosen one. She looked down on those less powerful than her However deep down Sirin was still a young girl who needed someone she could believe in, despite not being able to believe in anyone at all. And so, she had an attachment to Cecilia as she offered to adopt her, she can come of as rude a lot even if she wants a bond above all else