Summary::This is the second entry in our line of articles begun with the the Tome of Necromancy, which is a reflection of how the rules for fiends ought to function. This is distinct from a rumination on how the rules for conjuring and alignment subtypes actually do function, which is a whole different discussion entirely. Again, we feel there is a need for this because despite (or let's not kid ourselves, because of) the great wealth of publication devoted to fiends, our favorite villains remain completely outside the realms of that which is understood by players or dungeon masters. While many people are able to parrot a vague game mechanical definition of what a fiend is (an extraplanar creature with an origin in the lower planes or an extraplanar creature with the [Evil] subtype), almos