I thought you might be interested in looking at Trigger condition: faction x kills (number) of faction y.
https://forums.bohemia.net/forums/topic/117733-trigger-condition-faction-x-kills-number-of-faction-y/?do=findComment&comment=1960979
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.