This functionality appears to be broken at least in one place.Arelith Update Thread wrote: • Conversation checks for Intimidate, Persuade, Perform and Bluff now scale based on character level. This does not affect PvP mechanics such as disguise and mimic
Zone: Underdark (Upper) Silver Mines
NPC: "Mine Guard" (both the Duegar and Drow)
I tested on a lvl 15 Sorcerer, with maxed ranks Bluff and CHA of 22 (+6), total of 24 Bluff for a lvl 15 char and I could not get in, while previously I could with an equally low level character with sufficient Bluff.