The Banshee needs to be removed from Team Heavies its way overpowered in King of the Hill. Plasma pistol never works.
Try using a BR or other precision weapon, there’s not much cover in the air. Just a few guys team shooting it works pretty well.
If that fails try a splaser.
You should direct your feedback to the Heavies Feedback topic.
https://forums.halowaypoint.com/yaf_postsm2914624_Heavies-Feedback.aspx?find=lastpost