This is a great new way to kill your opponents - not available in prior AC games
AC: Brotherhood - LONGEST KILL STREAK (1798) [HD] (http://www.youtube.com/watch?v=wQBzyuqWAF8#ws)
Here's a tutorial on how to do the kill streak
AC: Brotherhood - Kill Streak Tutorial (SPECIAL) - [HD] (http://www.youtube.com/watch?v=OuGCohLyWnY#ws)