HOW TO CREATE AN ABILITY-TEACHING ITEM THE EASY WAY!

So, basically, I had just figured out Variables, so I decided to do this.

To learn a skill from an equipped item, go to 'Database' > 'Common Event'
Name: Whatever
Trigger: Call

Use a Variable to store the number of Battles and set it to 'Add'

Open A Conditional Branch event for a character with an equipped item. Then open a Conditional Branch inside of the first one for the Variable if it is 0.

Put a message saying the Name of the Equipped item, the skill, and a percentage number.

Repeat while adding 1 to the variable and increasing the percentage.
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Here's the basic script:

<>Variable Oper: (0001:Battle) + , No. Battles
<>Branch if Char1 Sword Equipped
--<>Branch if Var (0001:Battle) is 0
----<>Message: Sword
--------: Skill Name 10%
----<>
----:Else Handler
----<>
--:End
--<>Branch if Var (0001:Battle) is 1
----<>Message: Sword
--------: Skill Name 20%
----<>
----:Else Handler
----<>
--:End
--<>Branch if Var (0001:Battle) is 2
----<>Message: Sword
--------: Skill Name 40%
----<>
----:Else Handler
----<>
--:End
Keep going until you get this::

--<>Branch if Var (0001:Battle) is 10
----<>Message: Sword
--------: Skill Name Mastered!!
----<>
----:Else Handler
----<>
----:End

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To use, go to 'M. Groups'. Put an event in each one Calling the Common Event

Page1
Trigger |Turns Elapsed (0) |
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<>Call Common Event: Skill Learn


Now when you get into a battle with the item equipped, you will gradually learn skills.
This is only for use with a single item. If you want to use another item for skill use afterward,
you have to find a way to reset the Number of Battles.

Good luck!