Sisters' Burial Ground:

• Added waypoint to Burial Grounds (replaced Jail waypoint)
• Added 2 sublevels to Crypt and Mausoleum tombs
• Relocated Blood Raven to one of the tombs
• Added Horadric Cube chest near Blood Raven

Search for Cain:

• Akara gives you Unidentified Ring as a quest reward
• Deckard Cain now always charge gold for identifying, even if you rescued him

The Forgotten Tower:

• Removed Tower Cellar sublevels
• Countess drops up to Thul rune in Normal, up to Um rune in Nightmare, and up to Zod rune in Hell

Tools of the Trade:

• Infinite Imbue: Charsi now charge gold for every imbuing after the quest is completed

Sisters to the Slaughter:

• Replaced Catacombs level 2 waypoint with Catacombs level 4 waypoint
• Now Andariel drops 3 Gem Piles instead of gems

The Horadric Staff:

• Replaced Halls of the Dead Horadric Cube chest with sparkly chest
• Expanded width of Maggot Lair area
• Removed Maggot Lair and Claw Viper Temple sublevels

Arcane Sanctuary:

• Expanded width of Arcane Sanctuary area, removed teleport pads, added lightning spires, traps etc.

The Seven Tombs:

• Ancient Kaa The Soulless now guards the Orifice
• Added waypoint to Tal Rasha's Chamber (replaced Palace Cellar level 2 waypoint)

Blade of the Old Religion:

• Ormus gives you Unidentified Amulet as a quest reward

Khalim's Will:

• Removed Flayer Dungeons sublevels

The Guardian:

• Replaced Durance of Hate Level 2 waypoint with Durance of Hate Level 3 waypoint

Hell's Forge:

• Hellforge drops up to Zod rune in Hell

Siege on Harrogath:

• Infinite Socketing: Larzuk now charge gold for every socketing after the quest is completed

Rescue on Mount Arreat:

• Qual-Kehk gives you Mystic Rune as a quest reward

Prison of Ice:

• Anya gives you a random rare charm as a quest reward
• Infinite Personalize: Anya now charge gold for every personalizing after the quest is completed



Betrayal of Harrogath:

• Nihlathak's Temple portal doesn't disappear even if Nihlathak has been killed
• Anya can infinitely personalize your items as a quest reward
• Removed Halls of Pain waypoint



Eve of Destruction:

• Replaced The Worldstone Keep Level 2 waypoint with The Worldstone Keep Level 3 waypoint
• Baal drops new uber quest item on each difficulty

The Secret Cow Level:

• Cow King always drops new uber quest item as a quest reward
• Cow King has a low change of dropping new uber quest item on each difficulty

Goetia:

• Added Goetia waypoint (replaced Halls of Pain waypoint)
• Added 50 dungeons with new bosses on each level

The Pandemonium Event:

• Standard of Heroes is a charm now

Diablo Clone Event:

• Collect all essenses to get Diablo's Soulstone

More info here: Subquests and uberquests

Traps:

• Fire Blast - doubled synergy from fire traps
• Blade Sentinel - removed next hit (which allowed sentinel to hit only once a second) and decreased cooldown (with invested hard points)
• Wake of Fire - increased damage and synergy
• Wake of Inferno - increased damage and synergy
• Blade Shield - decreased interval between hits as you invest more hard points

Shadow Disciplines:

• Psychic Hammer - increased damage and added synergy from Mind Blast
• Burst of Speed - adds FHR synergy to Cloak of Shadows
• Weapon Block - added hidden bonus (+0.5 chance to block for hard point) and adds faster block rate synergy to Cloak of Shadows
• Cloak of Shadows - added new bonuses dependent on points invested into BoS and Weapon Block, duration doesn't increase with more points invested
• Fade - displayed hidden attribute (+1 physical resistance per level)
• Mind Blast - increased radius with hard points, increased damage and damage synergy from Psychic Hammer
• Venom - added synergy from Cobra Strike

Martial Arts:

• Fists of Fire - increased explosion radius with hard points
• Blades of Ice - increased explosion radius with hard points
• Dragon Flight - decreased cooldown with hard points (with value of 0 at level 20)
• All charge-up skills: added self synergy (20% AR for hard point)

Warcries:

• Find Potion - increased chance for rejuv - 50% rejuv, 25% health, 25% mana, passive effect - mana and life leech 1% per hard point + damage goes to mana 2% per hard point)
• Find Item - +1% chance per hard point (total theoretical cap is now 80%)
• Grim Ward - fleeing enemies are slowed by 75%
• Battle Command - new bonus dex and str +2 per lvl, experience gained + 0.5% per hard point, gold find +10% per hard point, magic find +3% per hard point (and synergies - +0.5% exp gained per hard point in Grim Ward, +20% gold find per hard point in Find Potion, +3% magic find per hard point in Find Item)

Combat Skills:

• Leap Attack - increased base and synergy dmg bonus
• Stun - doubled stun length and increased AR bonus
• Double Throw - +20% base and 10% dmg per level
• Frenzy - duration length +0.4s per hard point, new synergy from Increased Stamina + 0.8s duration / hard point, new synergy from Increased Speed - increases attack speed by 1% per hard point

Masteries:

• Increased Stamina - new bonus + life and mana regen per hard point
• Increased Speed - new bonus + 3% FHR per hard point
• Iron Skin - new bonus physical damage reduced by 1 per hard point
• Natural Resistance - new bonus magic damage reduced by 1 per hard point

Summoning:

• Raven - higher damage, hits more times, number of ravens is based on skill level without cap, new synergy from Heart of Wolverine (damage and attack rating - as if it was affected by its aura), new synergy from Spirit Wolf (velocity) and Grizzly (crushing blow)
• Poison Creeper - poison duration gets lower with more points, damage over time remains the same (so the damage is stronger), number of vines increased, new synergy from Rabies
• Summon Spirit Wolf - adds new synergy to all animals - increased velocity
• Carrion Vine - can be summoned up to 3 times at once, has Prayer aura
• Solar Creeper - can be summoned up to 3 times at once, has Meditation aura
• Spirit of Barbs - fixed thorn damage, so that real and displayed thorns damage match (doubled damage)
• Grizzly - adds new synergy to all animals - crushing blow
• All summons can be summoned at once

Shapeshifting:

• Werebear - doubled defense bonus
• Feral Rage - increased duration (+2s per hard point)
• Maul - increased duration (+2s per hard point)
• Rabies - poison damage has half its original duration, damage over time preserved (damage over second is doubled)
• Hunger - increased base damage, also increases per hard points, better attack rating

Elemental:

• Firestorm - Fissure increases number of fire missiles instead of pure fire damage
• Fissure - new synergy from Molten Boulder, increases number of fissures
• Twister - lower next delay
• Tornado - lower next delay
• Volcano - added synergy from Firestorm (fire dmg), changed synergy from Armageddon - leads to larger radius and more fire lumps thrown per second
• Hurricane - new synergy from Arctic Blast which increases radius, duration increases with more points into this skill
• Armageddon - slightly modified synergies, duration increases with more points into this skill
• All elemental skills - lower delay with more invested points

Summoning:

• Summon Skeleton Mage - increased damage per hard point
• Clay Golem - has new synergy - Confuse, which provides him Blessed Aim aura
• Blood Golem - has new synergy - Life Tap, which provides him Prayer aura
• Iron Golem - has new synergy - Iron Maiden, which provides him Thorns aura
• Fire Golem - has new synergy - Dim Vision, which increases his Holy Fire aura level
• Golem Mastery - increases also golem damage
• Summon Resist - increases also physical resistance (2% per hard point) for all summons
• Revive - increased duration (20s per hard point), has new synergy - Terror, which also increases its duration
• All golems can be summoned at once

Poison & Bone:

• Teeth - canceled next hit (so you can hit a monster with more than one tooth at once)
• Bone Armor - +10% damage absorbed per hard point
• Poison Dagger - had new synergy - Attract, which decreases its poison duration (but preserves the overall damage)
• Poison Explosion - has new synergy - Attract, which decreases its poison duration (but preserves the overall damage)

Curses:

• Weaken - decreases monster's damage per hard point
• Decrepify - radius increases with skill level, has new synergies - Amplify Damage, which decreases monster's physical resistance, and Weaken, which decreases monster's damage

Combat Skills:

• Sacrifice - new synergy from Prayer - increases dmg% and decreases dmg to self
• Holy Bolt - now hits any creature, not only undeads
• Conversion - added AR bonus
• Fists of Heaven - base cooldown decreased from 25 (1 second) to 20 frames (0.8 second), every hard point decreases cooldown by 1 frame (so totally to 0 seconds with 20 hard points - no cooldown!)

Offensive Auras:

• Holy Fire, Holy Freeze, Holy Shock - new synergy from Salvaton - higher frequency of area effect (in vanilla it applies only once in 2 seconds, now it is possible to make it apply approximately once in 0.6 second)
• Blessed Aim - added deadly strike chance, hit blinds target and open wounds
• Sanctuary - fixed (so that +%dmg and +%ar against undead monsters apply correctly), new synergy from Conversion - higher frequency of area effect

Defensive Auras:

• Defiance - now provides physical damage reduced by x (passive - physical resistance)
• Prayer - doubled heal bonus + added self synergy for higher heal frequency (doesn't apply to Cleansing and Meditation) (passive - life % bonus)
• Cleansing - (passive - max poison resists)
• Meditation - now also provides damage taken goes to mana (passive - faster hit recovery)
• Redemption - self synergy - higher frequency of area effect (passive - life + mana on kill)
• Salvation - now also provides magic damage reduced by x (passive - fire & cold & lightning absorb %)
• Resist Fire + Resist Cold + Resist Lightning - hidden passive bonus (to max resistances) now visible
• All defensive auras (excluding Vigor) now work as a passive skill

Lightning Skills:

• Telekinesis - can pick up any item from ground
• Static Field - works at 50% on all difficulties
• Thunder Storm - added 15% dmg synergy from Static Field, synergy from Teleport (decreases interval between hits)

Cold Skills:

• Frozen Armor - increased freeze length (1s per lvl). +1 max cold res for each hard point. Increased % def for level (5->10%)
• Shiver Armor - increased dmg, chill length decreased to minimum (2 frames - can be increased by investing into Frozen Armor, up to 25,6s (maximum)). Decreased base defense (45->20%)
• Chilling Armor - the same as Shiver Armor
• All three armors can be applied at once

Fire Skills:

• Inferno - increased synergies
• Blaze - removed Fire Wall synergy, increased Warmth synergy. Increased duration (up to 40s), added 1s duration for hard point (so max duration is 60s)
• Fire Wall - increased synergy from Inferno (1%->6%)