Is Darius in the Freljord because..............

https://www.youtube.com/watch?v=rGx9_wABzlA&app=desktop He wants To kill the Freljordians that killed Decius The Hand of Noxus may find no reason to avenge one soldier but Darius the man loved Quill And he might want to ease some of his guilt he may now feel for his part in the mans death which lead to quills rebellion , which ultimately lead to quills death. Not to say he knows Decius was 'maybe' his son but he was a part of quill and that is enough for him to go on this one man quest of vengeance/redemption/ closure