Ravenloft: Prisoners of the Mist Features a custom skill lists while also changing the function of some skills.
Animal Empathy - Changed to a combat ability (such as knock down) available to use every 3 rounds.
Appraise - Unchanged
Bluff - See custom skills
Concentration - Unchanged
Craft Armor - Unused. You cannot invest in this skill.
Craft Trap - Unused. You cannot invest in this skill.
Craft Weapons - Unused. You cannot invest in this skill.
Disable Trap - Unchanged
Discipline - Unchanged
Heal - Unchanged
Hide - Unchanged
Intimidate - See custom skills
Listen - Unchanged
Lore - The DC to identify items has been increased.
Move Silently - Unchanged
Open Lock - Unchanged
Parry - See Parry page.
Perform - Unchanged, but all classes gain access to the skill.
Persuade - See custom skills
Pick Pocket - Replaced by Sleight of Hand
Ride - Unused. Do not invest in this skill. You cannot invest in this skill.
Search - Unchanged
Set Trap - Unchanged
Spellcraft - Investment of 5 hard ranks reduces scroll checks by 2.
Spot - Unchanged
Taunt - See Custom Skills
Tumble - Unchanged. Every 5 ranks(not from bonuses) equates to 1 AC. Thus at level 20, the most you can earn is +4 AC.
Use Magic Device - The DC to use magical items has been increased.
Influence - Bluff and Persuade are combined into Influence. Influence can lower your OCR and can be used in DM situations.
Antagonize - Taunt and Intimidate are combined into antagonize. Antagonize works as Taunt, and can be used in DM situations.
Disguise - Disguise self.
Speak Language - For every five ranks in this skill, the character can learn a new language.
Sleight of Hand - Replaces Pick Pocket