Hellfire

GameFAQs
A selection of walkthroughs.
http://www.gamefaqs.com/computer/doswin/game/47583.html

Hellfire - The Dark
Hellfire modification information and download.
http://www.thedark5.com/

Hellfire at DiabloII.net
Large Hellfire resource including strategy, guides, guilds, new items and character classes.
http://www.diabloii.net/hellfire/

Level 80
Includes details on accessing secret Easter eggs and transferring characters.
http://www.level80.co.uk/pcdiabloh.htm

PlanetDiablo: Hellfire
Offers information on quests, characters, spells, items, and shrines
http://www.planetdiablo.com/hellfire/

GameSpot
Review by Desslock, [7.5/10]. "Fails to provide as compelling an experience as Diablo, but does provides a good quantity of new monsters, items, spells, and settings." <small>(December 27, 1997)</small>
http://www.gamespot.com/pc/rpg/hellfire/review.html