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Demon Summoning Ritual - Unholy Gate Opening Ritual Book A mod hosted by Spellhold Studios for Baldur's Gate II, Throne of Bhaal (classical and EE games), Baldur's Gate Trilogy and EET


This mod adds a demon summoning ritual book, which belongs to the master-wizard Tolgerias in the The Planar Sphere. You can summon different random demons with it (nabassu/glabrezu/cornugon/pit fiend/balor). ⚠️ For the challenge I made Tolgerias somewhat harder to kill. Note: This item can't be used by good, aligned characters.


This mod is designed to work on the following Infinity Engine games: the original Baldur's Gate II (BG2 or just SoA) with the Throne of Bhaal (ToB) expansion, Baldur's Gate II: Enhanced Edition (BG2:EE), the conversion projects Baldur's Gate Trilogy (BGT) and Enhanced Edition Trilogy (EET).

This is a WeiDU mod, and therefore should be compatible with all WeiDU mods. If you encounter any bugs, please report them on the forum!

Although it is not required for the Demon Summoning Ritual mod to function properly, classical game players are strongly recommended to download and install the latest version of the BG2 Fixpack before proceeding with the installation of this mod.

Note: Enhanced Editions Comment: The Enhanced Editions are actively supported games. Please note that every patch update will wipe your current mod setup! If in the middle of a modded game you might want to delay the patch update (if possible) as even after reinstalling the mods, you might not be able to continue with your old savegames. Alternatively, copy the whole game's folder into a new one that can be modded and will stay untouched by game patches. It is important that you install the mod to the language version you are playing the game in. Otherwise, the dialogues of the mod will not show but give error messages.


The installer includes one single component, the main component.

For more information see the links.

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