Saturday, December 7, 2024

OSR Review and Commentary On Liber Diaboli -- The Book of Fiends By James Mishler -- A Shadowdark Supplement or Is It!?

 So James Mishler sends me some awesome stuff! Take for example James Mishler Games latest offering Liber Diaboli -- The Book of Fiends By James Mishler is straight up world's greatest fantasy role playing game demons! Now let's talk about these demons for a moment. These things are straight up Chaotic evil from the ground up. Liber Diaboli gives all of the tools for use and full on customization of these fiends from the Abyss. Clocking in at forty eight pages there's tons of options here for the DM to grab the PC's by the throat! 



These tools are baked right into the whole cloth of the Liber Diaboli supplement; 

Cosmology and The Damned
Discourse on Demons & Devils and Other Denizens of the Underworld
Summon Fiend Spells
Ilks – “Ancestry Classes” of the Underworld
Fiendish Ranks
Fiendish Level Advancement

Abilities & Talents Details, including:
Elemental Attacks
Impervious Details
Multiform Ability
Fiendish Power
Size
Spellcasting Ability
Summoning Ability
Optional Possession Rules
D66 Chaos Talents
D666 Unusual Trait Table

From here the Liber Diaboli starts getting into the whole cloth of the demonic entities that have become so iconic from the world's most popular role playing game. And these are nasty. While I know that Shadowdark has become iconic. But these demonic entities would fit right in with Castles & Crusades rpg. Now let me elaborate here! Castles & Crusades is the OSR sweet spot because the system is close enough to fifth edition as to almost but not to be seamless. 


























The Liber Diaboli has a ton of OSR goodness that can work very hard for the DM and challenge the player's PC's in spades. These demons can work for you as monsters and horrors to challenge your players in dungeons, lairs, & ruins. There's enough fluff & tools to keep your player's coming back for more. The demonic entities are nasty and highly dangerous because they hit all of the check boxes from lowest to highest encounter. 

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