I saw a [character][1] with this two keystones picked... But all they will give together is +25% to monsters' resistance except of the first hit, because we can lower fire-res as of we can'


  [1]: http://www.pathofexile.com/fullscreen-passive-skill-tree/AAAAAwEBA-4EswthDR8NfA3ND6sUIBZvFr8XLxhqGYoaOBqPHM4dFB2qHb4kiySqJpUnLyj6K1AvbzOHNZI2PTbpOuE8KDwtPfxBh0ZxTeNObVBHVUtV1lfJWAdYY1nzW_RfP1-wYeJirGTnZlRmnmebaPJsjG1sb55wu3IPcql4L3zZfOV_xoCkgseDCYNfg8yExYzPj0aQVZMnlG-YrZuhm7WcMpy-naqhL6IApcSmV6yqrj6vbK-Nr6e0DLc-vorBxcM6xPbGrsbYykrK09i92RPhiONq5FHquuwY7w7wH_Gz8kX2SPba9zL56PrS-wn-Cv5J_lT-jw==