There was a new Shadow of Mordor trailer released today.  Here is a summary of what is shown, or you can watch it below.  The weapons can be upgraded with runes.  You can explore weaknesses of the enemy and use the runes to your advantage.  You can find epic runes that you can apply to your weapon, making your weapon known to enemies far and wide across Mordor.  To find an epic rune, you must dominate a captain and have him deliver a death threat to his war chief.  See the trailer below:

    The game is released on October 7th, 2014.  Stay tuned for more information.