Don't get me wrong
Jonas then yelled at him losing his temper, because where did his nephew think he was to speak like this, "Do you really think that this is a good time for you to be sweet talking, god damn it, we are all going to join you in this fight, so everyone, be ready to strike at any moment."
But then Steven said to him, "No need uncle, Cassy and I will take care of her, you should go help Roman instead, he needs you more than we do."
Jonas paled immediately upon hearing this, he was so focused on the imminent threat that Lilith had posed, that he hadn't even realized that Roman wasn't with them.
He then deployed his Dragon's senses and when he finally found Roman, he swore and immediately left to join him.
Roman was fighting alone with his flames against a superior Demon in his final form and it didn't look good at all, Roman was breathing heavily and a strong smell of blood was coming out of his body, which was really not a good sign.