Minor Inscription Research

Minor Inscription Research is taught at 75 skill in Inscription. When you perform this research, you have a very high chance of learning a new minor glyph recipe. The chance to discover a new minor glyph is independent of your level, Inscription skill, and how many minor glyphs you already know. The recipe's cooldown resets at 00:00 server time every day.

Discoverable recipes
All 64 Minor Glyph recipes currently in the game can be discovered through Minor Inscription Research. You will learn 1 random minor glyph recipe from among all those you are able to learn. If you cannot learn any new minor glyph recipes (because your inscription skill is too low to learn any of the missing glyphs, or because you already know all of the minor glyphs), you will not learn any but will still acquire the by-product scrolls (see also below).

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Leveling
The research doesn't go yellow until 125, so it is far and away the cheapest way to level inscription, though the cooldown makes it the slowest as well.

Obtaining new glyphs
There are currently a total of sixty-four minor glyphs in the game: six or seven for each of the ten classes, meaning that it will take at least two months of daily research to learn them all. Many minor glyphs require more than 75 skill in Inscription to learn; most notably the Death Knight glyphs and the glyphs for abilities that require level 60 or higher, such as Glyph of Enduring Victory and Glyph of Shadowfiend. These glyphs will not affect your discovery chance if you have a low Inscription skill, as which glyph you discover is randomized among the glyphs you can learn. If you have learned all of the minor glyph recipes you have enough skill for, you will not discover anything when researching.

The level at which a given glyph can be discovered is usually dependent on the quality of ink / parchment required for it:

One notable exception is Glyph of Levitate, which requires Jadefire Ink / Common Parchment but 175 Inscription to discover.

By-products
In addition to the discovery chance, a random quantity (1-3) of a random type of scroll is produced. The types of scrolls that can be produced are the same as what you would normally be able to make when you first learn Minor Inscription Research. Having a higher skill in Inscription has no effect on the kind, quantity, or quality of scrolls produced.

The possible by-product scrolls are: