Charisma

Charisma improves the buy/sell prices at Space Stations for both items and trade goods.

Charisma has no effect on any other kind of shop (such as Terramart) or prices of Trader NPCs.

Sources of Charisma bonuses and penalties:

Armor: Bloodhound Armor (5% per piece, 15% total) Gold Armor (15%, set bonus) Diplomat Armor (25%, set bonus) Troll King Armor (Sets Charisma to 0 while worn.)

Clothing: Nonpareil Shirt, Nonpareil Pants, Hawker's Top, Hawker's Trousers, Toga Top, Toga Bottom, (5% each)

Other: Charm Necklace (20% EPP Augment)

Madness can have an unpredictable effect on how Charismatic you appear to others.

Racial: Kirhos have +21% to charisma ("Great Traders" bonus), while Pharitu have -10%, and Mantizi and Thelusians have -25% ("Poor Traders" penalty).