This addon adds in a Faerie, or Fey, race into ToME. This addon was originally created by Kaballah, but he hasn't been online in over a year.
Instead of letting it die (I mean, how could we not be able to play as a Faerie?) I decided to fork it over into a playable form.
I've taken it, modified it's values, and changed it's 4th talent.
You can nab it here.

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The Fey are an incredibly quick and agile race, however they are incredibly fragile.
You will have to make use of their blinding speed to survive encounters.
If you find yourself in trouble, you can spray some Fey Dust onto nearby enemies while you escape.

Fey stats:
-2 Strength, -5 Constitution, +3 Dexterity, +3 Cunning, +6 Luck,
Life per level: 7
Experience bonus: 5%
Unbreathing

Fey skills:

-Flight
--Passive
--The Fey are capable of flight.
--Avoid certain traps
--Grants bonus Movespeed and Defense, that scales with Dexterity or Magic
--Effect grows if health is low
--Pretty magical wings

-Fey Luck
--Passive
--The Fey are naturally lucky, and this aids them in many ways.
--Grants Luck and Saves
--If you take more than 10% of your life in damage, some of the damage is nullified, and you gain a shield of equal value.
--Scales with Luck
--Effect grows if health is low

-Fey Speed
--Active
--The Fey are always fleet-footed, and are ready to split upon a moment's notice
--Grants bonus Global Speed that scales with Dexterity or Magic
--Effect grows if health is low when activated
--Removes all Pinning effects

-Fey Dust
--Active
--The Fey's Dust, while pretty, turns out to not feel good when thrown into eyes
--Sprays a cone of Fey Dust, which deals damage that scales with Dexterity or Magic
--The spray also knocks back and blinds enemies hit
--It can also stun or confuse, if used at low health

---

Dark Faeries are Faeries that have given up much of their natural agility and defense in exchange for bonus offensive potency.
They are extremely frail, even more so than their more agile counterparts, but make up for it with faster offense, higher damage, and many different tricks.
Despite all thoughts otherwise, they are still, mostly, a playful bunch to be around, if not a bit more painful in their method of invitation.

Dark Fey stats:
-3 Strength, -7 Constitution, +3 Dexterity, +3 Magic, +1 Cunning, +6 Luck,
Life per level: 5
Experience penalty: 5%
Unbreathing

Dark Fey skills:

-Powers of the Dark
--Passive
--The Dark Fey have sacrificed their Flight for additional offensive potency.
--Grants bonus Cast Speed and Combat Speed, that scales with Dexterity or Magic
--Grants bonus Damage that scales with Luck and Character Level
--Effect grows if health is low

-Fey Clone
--Passive
--The Dark Fey have given up some of their natural luckiness, but not all.
--Grants Luck and Saves
--Upon dealing damage, you summon a clone of yourself for a few turns.
--Has your entire talent list, deals 50% damage, and has 10% of your max life.

-Vision of the Shadows
--Active
--The Dark Faerie has lost it's ability to flee, and has been forced to find other methods of survival, in the form of dark magics.
--This talent shows all enemies within a moderate to large radius around yourself.
--Calls forth 3 shadows onto nearby enemies that are in sight.
--Shadows are extremely weak, but make for decent body-blockers.
--Vision Radius, Vision Duration, and Number of Shadow Targets increases with talent level.

-Feyd to Black
--Active
--Call forth the powers of darkness to overflow the battlefield, affecting all Actors in sight range.
--Increase all allies life by a percent of their Max Life. (Including yourself.)
--Decreases all foes life by a percent of their Max Life.
--Blind all foes, even those who cannot normally be blinded.
--This effect's power increases as your life decreases.
--This talent does not proc healing effects, and cannot lower enemies below 10% of their max health.

Version 3.0: Compatible with ToME 1.5.0

This addon supports game play for character levels higher than 50, primarily for the infinite dungeon (I.D.). This implements a number of subtle changes, rescaling game mechanics and balance for character levels above 50 in the Maj'Eyal, Infinite, and Arena campaigns for ToME. The intent is to make it possible (though certainly not easy) to reach level 500 of the Infinite Dungeon. This is not a nerf or a buff to game difficulty per se, but, rather, an extension of the well-balanced game play from the Maj'Eyal campaign to higher levels.

Some talents and status effects have been adjusted to accommodate the higher character levels possible. You can see a summary of these by checking the "Infinite500" tab in Game Options.

Once a character enters the I.D., the level 50 cap is removed and normal stats-per-level progression is enabled from level 51 onward. The limit on how high primary stats may be trained is removed (limited by character level as normal) and dependent computed value limits are also appropriately increased. No additional Prodigies are gained automatically after level 50. (Note that additional category points and (rarely) Prodigies can be gained by completing I.D. challenges.) Talent mastery levels can be improved more than once, and talent levels are unlearnable as normal in the I.D.

NPC levels in the I.D. have been adjusted to be compatible with higher game difficulty settings.

Most monsters and bosses from the Maj'Eyal campaign are imported into the I.D. along with their respective unique drops.

Traps have been added back to the I.D.

Isolated shops can appear randomly in the I.D. There is guaranteed to be at least one shop on level 1, and they become more common for the first few levels, and then more rare with depth.

Random escorts may be randomly generated on each level in the I.D. unless a challenge has been started, until the normal number (9) have been attempted.

The lichform quest is completed in the I.D. with a new random drop instead of automatically being completed at the appropriate step. There is a new greater vault in the I.D. that affects this quest.

The Corruption/Hexes tree can be learned from a new random drop.

Most major events from the Maj'Eyal campaign are enabled in the I.D., and there is a new event that can award the cursed-aura tree.

Undead characters starting in the I.D. begin with an artefact cloak. This is similar to the Cloak of Deception, but its stats scale with character level and it can spawn randomly for other characters.

This addon incorporates some modified game mechanics:
The ability to shrug off critical hits has been changed. Instead of using the percent value to ignore crits completely, it reduces the crit multiplier by the same amount to a minimum of 100%.

Modified checkHit and checkHitOld functions are employed that allow for wider level differences between opponents (see http://forums.te4.org/viewtopic.php?f=36&t=35229).
Saving throws have been modified slightly to make them more effective at reducing the duration of status effects you fail to save against. (See http://forums.te4.org/viewtopic.php?f=36&t=36715 for details.)

Things planned for the future: scaling of world artefacts with character level, map effects with dungeon level.

CORE CODE CHANGES
Key code changes appear in:

Engine:
engine\generator\map\Static.lua
engine\interface\ActorStats.lua
engine\interface\ActorTalents.lua

TOME Module:
mod\load.lua
mod\resolvers.lua
mod\class\Actor.lua
mod\class\Game.lua
mod\class\GameState.lua
mod\class\Object.lua
mod\class\Player.lua
mod\class\interface\Combat.lua
mod\class\interface\TooltipsData.lua
mod\dialogs\LevelupDialog.lua
data\birth\worlds.lua
data\general\events\damp-cave.lua
data\general\events\drake-cave.lua
data\general\events\fearscape-portal.lua
data\general\events\naga-portal.lua
data\general\events\old-battle-field.lua
data\general\events\rat-lich.lua
data\general\objects\world-artifacts.lua
data\general\objects\world-artifacts-far-east.lua
data\damage_types.lua
data\quests\lichform.lua
data\rooms\greater_vault.lua
data\zones\infinite-dungeon\events.lua
data\zones\infinite-dungeon\npcs.lua
data\zones\infinite-dungeon\objects.lua
data\zones\infinite-dungeon\zone.lua
data\zones\ruined-dungeon\grids.lua

Other addons that affect these files might not be compatible.

Donators/Buyers bonus!

v3.7.0 *** FOR ToME v1.3.0+ ONLY ***
If you are using an older version of ToME, visit http://te4.org/games/addons/tome/marson-ui and choose an earlier version of this addon.

An attempt to make 1920x1080 easier on my decaying eyesight, plus a few personal preferences. This is a revamp for the Minimalist UI. It may work for Classic, but hasn't been tested for it. Most settings can be found on the UI tab on the Game Options screen.

• Adds a 'Fonts' tab to 'Game Options'. Choose separate font styles and sizes for six categories:

    * menus & dialogs
    * HUD elements
    * tooltips & character sheet
    * chat & combat log
    * flying text
    * lore

• Expanded font size range to 8 - 36 points. (Stock range is 10 - 18)
• Ability to add your own fonts with a fontpack addon.
http://te4.org/games/addons/tome/font_example
• Scales most dialog boxes to account for larger fonts.
• Hotkey bar revamp:

   * Frame colors: green = activated talent, blue = sustained talent, yellow = equipped item, orange = unequipped item. Colors on talent screen and buff bar changed to match.
   * Frame colors do not change when on cooldown.
   * All talents/items on cooldown will have a red overlay.
   * Z-layer of key text (C8, etc) moved under color overlay to better differentiate from cooldown text.
   * Unequipped items get pale yellow color overlay similar to cooldown overlay.
   * Right-clicking on an item no longer clears the item; it brings up the hotkey assignment menu. (You may clear it from there, as with talents.)

• 'Use Talent' screen now also lists all usable items, allowing you to associate a hotkey using the dropdown menu. Objects are separated based on whether they are worn or not and display their current cooldowns.
• When assigning a hotkey, the list will show available hotkeys as 1 through 0,-,= with C,S,A,AS, modifiers (example: "Hotkey C7") instead of "Hotkey 1" through "Hotkey 60", so as to match the labels on the hotkey bar.
• Enabled and modified 'Creature List' code that was in stock ToME but not used. Lists NPCs in player's sight along with their remaining energy and distance. Mousing over an NPC in the Creature List will center the screen on that creature. Toggle the list on/off with Ctrl-Tab.
• 'Limit Terrain Height' option will rescale trees and mushrooms to prevent them from overlapping the grid above them. (Will not affect current level until you leave and return.)
• Adds viewport options: 'Original' is the stock behavior from v1.1.5 ToME. The game will use Scroll Distance, but won't show a black border around the map. With a high Scroll Distance, you will remain centered until you get to the edge of the map, at which point the map stops moving and your character moves off-center. 'No Hiding' is now the stock behavior of v1.2.x ToME. It is a bit of a hybrid. The map will scroll similar to 1.1.5, but will show enough of a black border so that your avatar will not hide under UI elements such as the mini-map and hotkey bar. 'Centered' will force the viewport to strictly follow the Scroll Distance setting. If you have it a high number, you will be centered 100% of the time.
• Adds option to enable right-click dragging of the viewport. This will coexist with mouse gestures but may not mix with them in a visually pleasing manner.
• Separate adjustable background transparencies for dialogs, tooltips, combat log, chat, and hotkeys.
• Adjustable tooltip width.
• Ability to change tooltip location: each of the four corners / at mouse cursor / opposite corner from mouse.
• Tooltip will get out of the way of target location via keyboard as well as mouse cursor.
• Ability to disable ambient background noises (dogs barking, water dripping, etc.) on the UI tab in Game Options. Defaults to 'enabled' (no change from stock).
• Shields (damage, temporal, etc.) will play a sound when they expire on a character you are controlling. (I've missed that my antimagic shield went down one too many times.) I've included a couple versions of the sound, including silence.
(shield_off.ogg created by reg7783 and licensed under the Creative Commons 0 License.)
• Adds a choice of tooltip style for the Inventory screen. 'Original' is the same as stock. 'Small Screen' moves the tooltip to either side of the screen so that it obscures less and doesn't bounce around. 'Big Screen' uses a dedicated location between the rag doll and the item list.
• If your character knows the talent 'Extract Gems', a tab will appear on the inventory screen listing all items that may be converted to gems based on your current talent level, including items in the Transmogrification Chest.
• Adds a 'Usable Items' tab to the Inventory screen.
• Adds a 'Preview Talents' button to the character creation screen. This will allow you to view the stats and talents of the current race/class combo without needing to generate a new game.
• Character creation screen will remind you if you are in dev/cheat mode.
• Ability to ESC from character creation screen.
• Alchemist quest shows details about the various rewards you are working towards: "Agrimley the hermit needs your help making an Elixir of Explosive Force, which permanently increase your chance to critically strike with spells by 4%." This will only apply to characters who take the quest after enabling this addon.
(Also available as separate addon.)
• ToME Bugfix: 'Tactical Overlay' dropdown menu.

+ ToME v1.3.0 compatible.

+ Integrated 0player's NPC List speed performance fix.

+ Added frame highlights when mousing over or dragging a hotkey.