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

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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.

Adds several new gem types and attempts to fill in some gaps in Tiered gem colors; also adds the Crystal race.

This is a continuation of jayseesee's original addon. It's my hope that the gems in this release are balanced, consistent across tiers, and useful to a variety of different characters.

Also hopefully all the Crystal's balance issues have been worked out: it should be an interesting tactical challenge to make best use of its unique mobility, find the right time to exploit its Runic Saturation status clear Stasis talent, and optimal self-imbued gemstone for each dungeon.

As always, please let me know if you find any issues in terms of bugs, game mechanics, or interface!

Donators/Buyers bonus!

Donators/Buyers bonus!

A collection of tweaks for existing ToME content.

Quality of Life improvements for resting and auto-exploring.

v3.5.0 *** FOR ToME v1.6.5 ***
This is a fork (with permission) of Marson's auto-explore and rest tweaks. It includes as well C.Lowe/CaptainTrip's improvements as well. It does not include, but recommends also using Johnny0's Faster RRE add-on for even better rest and auto-explore experience. This add-on contains numerous Quality of Life improvements designed to make resting and auto-exploring easier to use, brings the add-on overall up to being compatible with 1.6.x, and generally seeks to remove it being more optimal to do timed rests or manual recovery (particularly to help higher difficulty level and players without Faster RRE). Cleaned up feature list in this take, to make it easier to see what it does.

It is recommended to turn off Marson's Rest and Auto-Explore as well as C.Lowe's Rest Tweaks if using. This addon is meant to include all of them.

Latest Update Notes:
• Changed steam sustain behavior to match current gameplay. Before sustains tended to shut off when available resource was 0, now they don't seem to do so. This will now only turn off sustains that drain steam if steam is going below 0, so as to get to a steady finish state.
• Fix minor bug where stealth enabling was always on if you had it.
• Added new option to ignore quest members when resting or exploring. It defaults to off but for those folks that know they want to ignore those quest allies and rest a bit.

Existing Features:
• removed First Sighting and Reset on Rest. Someone can patch them in if they'd like it back, but I'm not really keeping them alive.
• Fixed actor bugs causing Elemental Surge to never reset. Thanks Reca♥den.
• Fixed bug with Paradox Spacetime Tuning from 1.5.5. This may rebreak posessors with paradox, hard to kinda test.
• Mostly verified working on 1.6.0
• Compatibility with restart sustains. Thanks zizzo.
• When resting, it will check for infusions and runes that could be used to accelerate HP, Mana, or Equilibrium (via Ancestral Life or Meditation) recovery. If the acceleration appears significant, it will use them, rotating from first available infusion or rune outward. In experiment, I found this often reduced rest turn time by 50-80 percent, improving the more drained the resource was. Particularly helpful for Mana, as it avoids trade-off advantages of short term resting (for increased mana regen) + rune use by just handling that more optimal play for you automatically without breaking rest.
• Support for steam implants, with usual checkboxes. This may not always be faster based on steam sustains that may disable after the initial round of rest and steam implants having very long cooldowns (30+ turns) and steam's resource max being pretty small. It tries to be conservative on that, so will most likely help for cases where your functional steam regen rate is < 2.00 and never activate for things much above it. I found I was often getting 5-20 steam per turn, which makes the implant support useless.
• Supports for medical healing salve injectors. Cooldown measurements are a bit odd here, since they can range from 5-20 depending on injector. Went with 10 as a happy medium for how many turns of natural regen is considered to be equal to the cooldown cost of using it.
• Adding support to auto-stealth if available and not stealthed.
• Option for ignoring small damage when moving and resting, basically if it is <5%, it will ignore it by default, prevent small DoTs from preventing rest.
• Options added to control whether or not to use inscriptions to accelerate recovery of things.
• Fixes a ToME bug that can cause autoexplore or running to move only a single square and hang if used immediately after killing an enemy.
• Lore discovery will only stop autoexplore if it triggers a popup.
• Autoexplore will ignore Exploratory/Infinite Farportal return portals until the entire level has been explored.
• Ignores special terrain features such as Font of Healing after they are first discovered.
• Ignores open chests and alt Maze floor cracks.
• Rest and AE ask for confirmation if you have an escort in your party.
• Ignore already activated pedestals.
• Checks for and waits on any rechargeable items.
• Checks for and reloads any ammo in offhand quiver.
• Waits for cooldowns of talents set to auto-use.
• Waits for depleted air to replenish.
• Combines all checks into a single instance of rest, rather than having cooldowns etc. require a second resting phase.

Determines how auto-explore and running respond to telepathy, including mouse moves. Regardless of the setting, hostiles seen via telepathy will not halt resting or the Rod of Recall, nor trigger automated talents. Unique or powerful monsters (rank > 3) will always trigger a halt to running when they are spotted via telepathy for any mode except 'Original'.

Available modes:
• 'Always Viligant' always stops running when a hostile creature is seen via telepathy.
• 'Original' is standard ToME auto-explore behavior, which ignores telepathy when running or auto-exploring.

• Compatible with ToME v1.6.0

Notes:
Folks who have helped with bugfixes over the years:
Reca♥den
St_ranger_er
zizzo

• Telepathy will not prevent auto-exploring the way normal sight will. If a halt is triggered by telepathy, hitting auto-explore again will move you at least one more square in the direction of the auto-explore path. If in 'Always Viligant' mode and a hostile is within telepathic sight (but not normal sight), you will auto-explore in 1 square per keypress increments.

This pack compiles several classes, with an emphasis on hybrid design. Not all classes are complete: the ones which I'm not satisfied with are marked as either INCOMPLETE or "in BETA".

The classes included in this pack are:
- The Transcendent Fist is an unarmed Psionic warrior, using a gem in his TK slot to hit with flexible energy types.
- The Storm Warden is a melee-and-ranged skirmisher with magical mobility and support spells.
- The Striker is a cunning and covert class, with a focus on delivering shock-and-awe thunderbolts from stealth.
- The Gravitic Infantry is a melee-focused Chronomancy user (formerly named the Heavy).
- The Creep is a stalker in the dark, cunning and covert in his hate.
- The Vector uses disease and debilitation to keep his foes at range while he snipes them to death.
- The Flenser is a Defiler whose knives debilitate and torture his victims.
- The Blood Mage is a Vim-based caster with a mild dip into staff-melee combat.
- ... and more!

(BETA) Shield Hero is an Adventurer who starts with heavy armor and a shield. Not very exciting unless you were annoyed about not being able to equip your Adventurer's shield right away.
(BETA) Prototype Hero is an Adventurer who starts with 1.3 mastery in every category. Not very useful for players, but it might be interesting for addon writers to spitball new category combinations.

(INCOMPLETE) The Flux Marauder is a Paradox thug, stealing time from his enemies.

x (Removed): The human-only Embers of Gerlyk are fire-using magical martial artists. Removed pending new content / 1.6 features.
x (Removed): The skeleton-only Fossils are geomantic martial artists. Removed pending new content / 1.6 features.