This mod is a work in progress and is still in what I'd consider an alpha release.
If you like the idea that this mod has to offer please track it! I'll be doing frequent updates until all the vanilla spells are completed.

Description: Add spell incatations to the spells in Skyrim

Incantations
1) Illusion: "Veritas, Credo, Oculos" = "The truth, I believe, with my eyes"
2) Alteration: "Praeses, Alia, Fero" = "Protecting, another, I bring this forth"
3) Necromancy: "Vita, Mortis, Careo" = "Life, and death, I am without"
4) Divination: "Scio, Didici, Pecto" = "I know, for I have studied, with my mind"
5) Abjuration: "Manus, Potentis, Paro" = "A hand, powerful, I prepare"
6) Evocation: "Incertus, Pulcher, Imperio" = "Uncertain, beautiful things, I command"
7) Conjuration: "Facio, Voco, Ferre" = "This I do, I call, to bring you forth"
8) Enchantment: "Cupio, Virtus, Licet" = "I want, excellence, allowed to me"

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UPDATE v0.04 Released!

MALE VOICES!!!! Yay!

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Focused on destruction and conjuration this time. i'm still looking into the male/female/race options but it'll require extensive scripting. OR create entirely new spell sets. Going through the spell set option would mean a few things:

1) You'd have to start a new character from scratch to find the spells like normal from tomes
2) Use the console to unlearn/learn all your spell again
3) Cause much more incompatibility with other spell mods that use vanilla spells in any way
4) Scrap the incantations for vanilla and just write a new spell mod (invent new spells) that implement the incantations. Maybe a DnD spell package for Skyrim?

Either way, with those options, NPC's would not be able to use incantations. If I can figure out the scripting then I can bring incantations to NPCs. Man that'd be awesome to hear a Draugr chanting some stuff before launching a fireball at me!

Also, while I'm doing incremental updates, if you guys have certain spells that you'd like me to prioritize please let me know! (Note I'm only doing the vanilla spellset). Or conversely if there's a spell that becomes too annoying to use because of the sounds, also let me know!

Just wondering what you guys think. Please leave comments and suggestions for me! I've been getting great feedback, albeit I don't know how to do most of what would make this mod 100% yet. Thanks for all the support!

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Please visit: http://forums.nexusmods.com/index.php?/topic/1063543-spell-incantations/

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Installation Steps:

1.) Copy 'Data' folder into '...SteamApps/common/Skyrim' folder
2.) Go into the options folder and choose between male or female. Open the folder for the option
you want.
3.) Drag the 'Data' folder (in the male or female directory) to the ...'SteamApps/common/Skyrim' folder
4.)Enable the .esp when you start Skyrim
5.) Finished. Enjoy BG Spell Incantations!

(Step 1 installs the .esp, step 3 installs the sound files)

NOTE1: If you decide at any point you want to switch options, just repeat steps 2 and 3. This will not cause and corruptions to your saves.

NOTE2: If updating from v0.03 and switching to male, all you need to do is follow
the install steps 2 and 3. You are basically replacing the sound files. You may revert
back to female at any time.

Compatibility:
This mod will work with any other mod that adds spells to Skyrim. It will not work well with anything that modifies the vanilla spellset, as that is how I'm achieving the incantation sounds at the moment. I run my BG incantations with Midas Magic and Apocalypse Spells and have no issues.

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v0.04

Added an installation option for Male incantation voices

NOTE: If updating from v0.03 and switching to male, all you need to do is follow
the install steps 2 and 3. You are basically replacing the sound files. You may revert
back to female at any time.

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v0.03

Spells Added:
Conjure Dremora Lord (Conjuration)
Fire Rune (Abjuration)
Frost Rune (Abjuration)
Lightning Rune (Abjuration)
Blizzard (Evocation)
Fire Storm (Evocation)
Thunder Storm (Evocation)
Reanimate Corpse (Necromancy)
Revenant (Necromancy)
Raise Dread zombie (Necromancy)

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v0.02

Installation: Install like normal, just overwrite the old files. Shouldn't cause any bugs with your saves if v0.01 worked. Read compatibility notes above also.

NOTE: I ACCIDENTALLY NAMED THE FOLDER INSIDE THE V0.02 ZIP "BG SPELL INCANTATIONS V0-01". IT IS ACTUALLY v0.02 =p

The following spell incantations have been removed: Ice Spike, Fire Bolt and Lightning Bolt.
This is to reduce the amount of incantation spam by very commonly used spells.

Spells Added:
Muffle* (Illusion)
Invisibility (Illusion)
Banish Daedra** (Abjuration)
Expel Daedra** (Abjuration)
Raise Zombie (Necromancy)
Summon Frost Atronach (Conjuration)
Summon Storm Atronach (COnjuration)
Paralyze* (Enchantment)
Mass Paralyze* (Enchantment/Alteration)

Spells Removed:
Ice SPike
Fire Bolt
Lightning Bolt

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v 0.01

Spells Added:
Firebolt (Invocation) [REMOVED IN v0.02]
Ice Spike (Invocation) [REMOVED IN v0.02]
Lightning Bolt (Invocation) [REMOVED IN v0.02]
Candlelight* (Illusion)
Oakflesh* (Conjuration)
Stoneflesh* (Conjuration)
Ironflesh* (Conjuration)
Ebonyflesh* (Conjuration)
DragonHide* (Conjuration)
Summon Flame Atronach (Conjuration)
Soul Trap (Conjuration)