I use this spread sheet all the time. It is a fantastic tool for sizing up your encounters with your current player group. Built from the data in the DMG, it simply tells you if your plan will kill them or not--and what the XP would be. I like to open up the DMG and go through the monster lists and just plug in encounter levels to see how many of fill-in-the-blank they can take. The... [click here for more]