I threw a map together using a system I made that allows for scaling % Intelligence. It's definitely not the best way of going about this but it seems to work fine.
It uses a Unit Indexer which is a system that assigns a unique Custom Value to each unit.
Custom Value explained:
Custom Value is a stat provided by Blizzard, and as the name suggests it's basically a means to create and store your own custom data to a unit. You can Set a unit's custom value to be equal to any Integer value you'd like and you can Get this information from a unit whenever you'd like. This is great and all but it has many limitations. For starters, you can only assign a single custom value to a given unit. On top of that, it can only store Integer values. So that's where the Unit Indexer comes into play. The Unit Indexer enables the true power of custom value, and it does so by assigning a unique custom value to each unit in your map. So the system does this for your preplaced units at the start of the game as well as whenever you create a new unit. Why is this useful? Because now you can take advantage of another useful thing, variable Arrays. An Array allows you to use a single Variable to store many many things. You can enable an Array in the Variable Editor when you create a Variable by clicking the Array checkbox. After doing so you'll see some brackets appear after your variable, like AbilityPower[].
Using the custom value of a unit as the
Index in an Array --> [
the integer in these brackets ], you can assign each unit it's own Value for that Variable.
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--- EXAMPLE: ---
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Set Variable AbilityPower[custom value of some unit] = 100
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Set Variable AbilityPower[custom value of some OTHER unit] = 200
This works because each unit has it's own unique custom value, therefore each unit will have it's own unique Index in the Array.
In this case I use this method to keep track of each Hero's White Intelligence (starting int + int per level) and Green Intelligence (int added from items like Robe of the Magi). I also use it to keep track of how many Deathcap's a Hero is carrying.
Keeping track of these values allows me to modify a Hero's Intelligence any way I'd like. Keep in mind that I didn't design the system to be very flexible so it only works for Deathcaps at the moment. That being said, it could be modified to work for other +% Intelligence items as well in addition to Deathcap. It's also a bit limited due to the limitations of working in GUI (aka not coding it).
Deathcap Acquires
Events
Unit - A unit Acquires an item
Conditions
Actions
Hero - Modify Intelligence of (Triggering unit): Add (Integer(((Real((Intelligence of (Triggering unit) (Exclude bonuses)))) x 0.25))).
)
Then you wouldn't have to keep repeating yourself...
