This.Specialy the SPECIAL system, for exmple the CHR SPECIAL is a lot more important in the originals cuz of them companion slots but in the current gen games i always put it on 1 cuz it basically doesnt matter except for th speech and barter skills.
Well I think in Fallout 3 it improved the Speech % and barter prices.
In New Vegas it affects Companion Nerve and barter prices.
It's a hard stat to improve though.
How can one improve it?
With my Reaction system it would be of great importance to make friends with everyone.
A lot of NPC's could have a minimum CHA requirement for quests or dialogue options but we have perks that do this as well such as Cherches Le Femme, Lady Killer, Confirmed Bachelor and Black Widow, then there are a couple of other perks that give new dialogue, Child At Heart, Terrifying Personality(?) and uh... Probably something else too.
If the game is balanced right it "could" be used for party members again.
CHA1 : You can't have any companions
CHA3 : You can have a single animal or robotic companion.
CHA5 : You can choose between one animal/robot companion or one humanoid companion.
CHA7 : You can have a humanoid companion and a robotic/animal companion.
CHA9 : You can have either two humanoid companions or three anima/robotic companions.
CHA10 : You can have two humanoid companions and one animal/robotic companions.
Erm..
Certain characters in the game could have varying dialogues I guess, not everyone but around two or three dozen.
Depending on your Charisma they will be more inclined or less inclined to reveal more of their backstories, they might exclude you from quests until you've receive a certain reputation or might never give you the quest simply cause you "rub them the wrong way".
Charisma could affect Reputation rewards maybe?
Low Charisma will scare children away and they won't talk to you cause you look "mean".
I dunno though, Charisma is very involved with NPC's.
The other stats are easy, Perception affects the accurcy of ranged weapons and how clear enemies are and perhaps how visible traps are.
Strength affects unarmed/blade/blunt efficiency a lot, carry weight, the option to break in certain doors, to meet weapon requirements and to decreas the knockdown chance.
The other stats are a lot more revolved around the player.
Charisma is revolved around the NPC's.
NPC's need scripting, they need dialogue, they need coding, they need facial animations and voice actors.
Charisma is a very hard stat to make important.
And it cannot overshadow Speech/Persuasion/Deception/Barter/Intimidation, at least not all the time.
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On that note.
Bring a Intimidation feature into the game.
Certain armors, clothing and weapons give intimidation points, so does scars or facial tattoos, STR 8+ could also give this.
What does Intimidation do?
The higher intimidation you have the more likely people and animals are gonna leave you alone.
If you have a high intimidation and you walk into a bar and hit someone then everyone there is gonna be way too scared to do anything.
Children will run away from you with high intimidation.
Certain animals will run away from you.
And lesser raiders and mercs are gonna leave you alone as you look like someone not to mess with.
This means that if you have a power armor, missile launcher and a really ugly mug that looks like a psychopathic beast then the lesser NPC's and creatures are gonna leave you alone.
As it should be.