Oooh, nice tip here for having to hold A for us pad users, to ignite, rather than doing it by accident:
http://www.reddit.com/r/witcher/comments/37d0aa/howto_trigger_extinguishignite_only_after_holding/
http://www.reddit.com/r/witcher/comments/37d0aa/howto_trigger_extinguishignite_only_after_holding/