**NOTE - As of Patch 6.2, some of the tooltips for these elixirs incorrectly state "Counts as both a Battle and Guardian elixir" when in fact they only count as one or the other. The chart listed below has accurate data on how each elixir is classified**

This is one of the elixirs originating from the Darkmoon Faire. There are a few ways to get them, as noted below:

Purchased from vendor Фальдар Ивовая Тень, located at 50,69 (the small tent just south of the Tonk Challenge pavilion). Each elixir costs 1 Призовой купон ярмарки Новолуния.
Found in Заколоченный ящик ярмарки Новолуния, which can be fished up (1 per cast) in Shipwreck Debris pools around the island waters. Note that random elixirs will be found in these crates, so a lot of fishing may be required to stock up on any particular elixir. Pools will usually despawn after 1-2 casts. Pools can be spawned using Рыбацкая шляпа Новолуния, but only one per hour, and only when the Darkmoon Faire is active.
For the sake of completeness, you also get 3 random elixirs from Тайник Сайласа, which is the reward from the quest (and also awards 100 Призовой купон ярмарки Новолуния). This quest is started by Выцветшая карта сокровищ, which can be purchased from Галисса Солнечная Роса for 100 Острозуб Новолуния. This is a ONE TIME quest - so not a consistent source of elixirs.

Some general information about these elixirs:

Some of the elixirs count as Battle elixirs, some as Guardian elixirs, and some as both. The chart below outlines each elixir.
You cannot use two Battle elixirs or two Guardian elixirs simultaneously (although you can use one of each). Standard flasks (e.g. Сильный дренорский настой интеллекта, Дренорский настой силы) count as both Battle and Guardian elixirs. As such, these Darkmoon elixirs can be used INSTEAD of a standard flask, but not in addition to it.
These buffs DO NOT persist through death, and as such must be reapplied.
There is no level requirement for these elixirs.
The amount of a given stat that is provided differs at lower levels. For example, Зелье рвения ярмарки Новолуния gives 2.31% haste at level 60, but 2.5% at level 100.
All elixirs provide a buff that lasts 20 minutes. This is in contrast to standard flasks, that last 1 hour (2 hours for alchemists).
You can buy larger quantities than 1 of these potions by Shift+Clicking the item and specifying amount.
Darkmoon draughts will increase the size of your character. Darkmoon tinctures will decrease character size.
The size effects of the elixirs stack with each other. For example, using both a Battle draught and a Guardian draught will progressively increase your character's size slightly both times.

Below is a list of all of the elixirs available. Note that all stat values and percentages are for level 100 characters. Stat values are approximate.

Elixir	Stat	Battle	Guardian	Stat boost (at level 100)
Equivalent stat points	Percentage
Зелье превосходства ярмарки Новолуния Настойка превосходства ярмарки Новолуния	All stats	X	X	+10% to all base stats
Зелье гибкости ярмарки Новолуния Настойка гибкости ярмарки Новолуния	Versatility	X	X	~390	+3% damage/healing done -1.5% damage taken
Зелье точности ярмарки Новолуния Настойка точности ярмарки Новолуния	Critical Strike	X	~220	2%
Зелье расхождения ярмарки Новолуния Настойка расхождения ярмарки Новолуния	Multistrike	X	~132	2%
Зелье рвения ярмарки Новолуния Настойка рвения ярмарки Новолуния	Haste	X	~225	2.5%
Зелье проворства ярмарки Новолуния Настойка проворства ярмарки Новолуния	Dodge	X	Varies	2%
Зелье отражения ярмарки Новолуния Настойка отражения ярмарки Новолуния	Parry	X	Varies	2%
Зелье защиты ярмарки Новолуния Настойка защиты ярмарки Новолуния	Armor	X	Increases armor points (not damage reduction) by ~2%

*Note: Base stats refers to the amount of a primary stat that you have at baseline, with no gear. This value is determined by your class, specialization and level. The only modifier is your character's Armor Skills - this will increase your base primary stat once the appropriate armor is equipped (e.g. a Rogue will receive +5% base Agility for wearing all Leather gear).
The way to determine your base value for any stat is to mouse-over that stat in your character window - the stat will be displayed "Total Stat (Base Stat + Enhancements)", with the Base stat value being white text and the Enhancements (gears, flasks, buffs, etc.) being green.

Комментарий от tabitreader

NOT FOR LEVEL 110!

The tooltip should be altered to indicate that all these Darkmoon potions cannot be used on a level 110 character. They will take your tickets no problem all the while laughing and smirking of your wastefulness. Please let this comment reach Blizzards developers or at least some wowhead users to save them the ticket wastes.

Use your Whispering Crystal for a cheap half flask.

Demon Hunters don't forget to loot the Inquisitor's Menacing Eye from your 98-100 leveling experience on Mardum. It will grant you 100 Agility and 100 Stamina for 1 hour.

Upvote this for the sake of the community.

Комментарий от ChadCloman

As of January 2019, this item has been retroactively modified to have a 7-day duration. So it will disappear from your bags after 7 days, and you can no longer mail it.

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Зелье гибкости ярмарки Новолуния

Уровень предмета: 1
Становится персональным при получении
Длительность: 7 дн.

Использование: Повышает универсальность и увеличивает вас в размере на 20 min. Считается как боевым, так и охранным эликсиром. (3 Сек Восстановление)

Максимум в стопке: 200

Цена продажи: 62

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Этот предмет приобретается в Остров Новолуния (5).

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Wowhead's Darkmoon Faire Guide

Зелье гибкости ярмарки Новолуния

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