Wizard: Skills/Abilities

Artificer (Unique)
Basic Allows to create creature equipment of the first level.
Advanced Allows to create creature equipment of the second level.
Expert Allows to create creature equipment of the third level.
Ultimate Reduces the price of creating creature equipment by half.

Artificer:  Abilities

Magic Bond Special combat ability. Caster binds himself to the target with Magic Bonds so that each further spell landed on that target has its effect doubled.
Magic Mirror Every damaging or cursing spell cast by the enemy hero has a chance to be randomly reflected to some other target, including enemy units.
Melt Artifact Special combat ability. Allows to melt artifacts equipped on friendly creatures to regain mana in combat.
Absolute Wizardry All spells that are in existance will be written to hero's spellbook.
Requirements Chaotic Spells, Student Award, Chilling Steel, Elemental Overkill, Counterspell, Magic Mirror, Arcane Training, Academy Award, Scholar, Wildfire, Magic Bond, Archery, Unsummon, Master of Conjuration

Dark Magic
Basic Allows to learn Dark Magic spells of the third circle and makes Dark Magic more effective overall.
Advanced Allows to learn Dark Magic spells of the fourth circle and makes Dark Magic even more effective.
Expert Allows to learn Dark Magic spells of the fifth circle and makes Dark Magic ultimately powerful.

Dark Magic:  Abilities

Master of Curses Grants mass effects to Curse and Disrupting Ray spells, but doubles the casting cost of these spells.
Master of Mind Grants mass effects to Slow and Forgetfulness spells, but doubles the casting cost of these spells.
Master of Sickness Grants mass effects to Plague and Weakness spells, but doubles the casting cost of these spells.
Suppress Dark Enemy hero is forced to spend 50% more mana to cast Dark Magic spells in combat.
Requirements Master of Mind
Payback Should it happen that the Dark Magic spell is resisted by target, the hero gains back all the mana spent to cast that spell.
Requirements Suppress Dark, Ancient Smithy, Master of Mind, Magic Cushion, Magic Bond, Magic Mirror

Defense
Basic Decreases damage dealt to your creatures in melee combat by 10%.
Advanced Decreases damage dealt to your creatures in melee combat by 20%.
Expert Decreases damage dealt to your creatures in melee combat by 30%.

Defense:  Abilities

Evasion Decreases damage dealt to your creatures by ranged attacks by 20%.
Protection Decreases damage dealt to your creatures by magic attacks by 15%.
Toughness Increases hit points of all your creatures by 2. Especially effective for armies of great number.
Seal of Protection Hero gains +2 Defense permanently.
Requirements Protection
Power of Stone Hero acquires Stoneskin spell and the ability to cast it with mass effect. Costs nothing
Requirements Seal of Protection, Magic Mirror, Protection

Destructive Magic
Basic Allows to learn Destructive Magic spells of the third circle and makes Destructive Magic more effective overall.
Advanced Allows to learn Destructive Magic spells of the fourth circle and makes Destructive Magic even more effective.
Expert Allows to learn Destructive Magic spells of the fifth circle and makes Destructive Magic ultimately powerful.

Destructive Magic:  Abilities

Master of Fire Grants armor-damaging effect to Fireball and Armageddon spells.
Master of Ice Grants freezing effect to Ice Bolt and Frost Ring spells.
Master of Lightnings Grants stunning effect to Lightning Bolt and Chain Lightning spells.
Magic Cushion Damage dealt by enemy spells is reduced by 20%.
Requirements Magic Mirror
Ancient Smithy Additional elemental fire damage is dealt to enemy units on all melee and ranged attacks.
Requirements Magic Cushion, Magic Bond, Magic Mirror

Leadership
Basic Increases moral of all creatures in hero's army by 1.
Advanced Increases moral of all creatures in hero's army by 2.
Expert Increases moral of all creatures in hero's army by 3.

Leadership:  Abilities

Diplomacy Allows to effectively negotiate with hostile creatures. Increases chances and reduces costs of creatures that wish to join your army.
Estates Hero contributes 250 gold pieces per day to your cause.
Recruitment Increases weekly growth of 1st, 2nd and 3rd level creatures by +3, +2 and +1 respectively. Hero must be stationed within the friendly town for the last day of the week for effect to take place.
Artificial Glory War Machines and Golems are now affected by positive morale effects (negative morale does not apply though).
Requirements Estates 
Fast and Furious Combat movement speed of all units in hero army is increased by +1.
Requirements Recruitment 

Learning
Basic Increases hero's earned experience by 5%.
Advanced Increases hero's earned experience by 10%.
Expert Increases hero's earned experience by 15%.

Learning:  Abilities

Eagle Eye Allows your hero to learn any unknown spell used by an enemy hero or by any creature in combat (hero must be legally able to learn the spell).
Intelligence Increases normal maximum spell points by 50%.
Scholar Allows heroes to teach each other various spells, effectively trading spells between spell books.
Academy Award Hero gains +2 to Spell Power permanently and extra 1000 gold as a one-time bonus.
Requirements Scholar
Student Award Being so keen at learning, the hero is granted +2 Knowledge and an additional bonus of +1000 experience.
Requirements Academy Award, Scholar

Light Magic
Basic Allows to learn Light Magic spells of the third circle and makes Light Magic more effective overall.
Advanced Allows to learn Light Magic spells of the fourth circle and makes Light Magic even more effective.
Expert Allows to learn Light Magic spells of the fifth circle and makes Light Magic ultimately powerful.

Light Magic:  Abilities

Master of Abjuration Grants mass effects to Deflect Arrows and Stoneskin spells, but doubles the casting cost of these spells.
Master of Blessings Grants mass effects to Dispel and Bless spells, but doubles the casting cost of these spells.
Master of Wrath Grants mass effects to Bloodlust and Haste spells, but doubles the casting cost of these spells.
Suppress Light Enemy hero is forced to spend 50% more mana to cast Light Magic spells in combat.
Requirements Master of Abjuration
Elite Casters Casters in hero army will spend only half the required mana cost to cast spells.
Requirements Suppress Light, Payback, Shake Ground, Master of Abjuration, Remote Control, Melt Artifact, Cannoneer, Suppress Dark, Ancient Smithy, Master of Mind

Logistics
Basic Increases hero's movement speed over land by 10%.
Advanced Increases hero's movement speed over land by 20%.
Expert Increases hero's movement speed over land by 30%.

Logistics:  Abilities

Navigation Increases hero's movement speed at sea by 50%.
Pathfinding Reduces penalty for moving through rough terrain by 50%.
Scouting Allows the hero to see much farther over terrain.
March of the Machines All golems under hero command have their speed and initiative increased by +2.
Requirements Pathfinding
Teleport Assault Hero acquires Teleport spell and the ability to cast it with assault effect, increasing the initiative of creature being teleported.
Requirements March of the Machines, Magic Bond, Pathfinding

Luck
Basic Increases luck of all creatures in hero's army by 1.
Advanced Increases luck of all creatures in hero's army by 2.
Expert Increases luck of all creatures in hero's army by 3.

Luck:  Abilities

Fortunate Adventurer In the course of adventures the hero tends to find more gold and resources and be more lucky overall.
Lucky Strike More chances to trigger for useful combat abilities of creatures in hero's army (like footmen's Shield Bash, for example)
Resistance Increases magic resistance of all creatures in hero's army by 15%.
Spoils of War From each battle won, the hero will salvage some gold and resources as spoils of war.
Requirements Fortunate Adventurer
Grail Vision The hero now 'feels' the location of the Grail by his or her very heart. Digging for Grail somewhere around its actual location is much more likely to be a success.
Requirements Spoils of War, Melt Artifact, Fortunate Adventurer

Offence
Basic Increases damage dealt by your creatures in melee combat by 5%.
Advanced Increases damage dealt by your creatures in melee combat by 10%.
Expert Increases damage dealt by your creatures in melee combat by 15%.

Offence:  Abilities

Archery Increases damage dealt by hero's creatures in ranged combat by 20%.
Frenzy Minimum and maximum damage inflicted by each creature under hero's control is increased by 1. Especially effective for armies of low level creatures.
Tactics Allows you to rearrange your creatures just before combat in additional area.
Wildfire Ballista under hero command negates enemy defense and deals additional elemental fire damage.
Requirements Archery
Chilling Steel The hero enhances weapons of all troops in his or her army to strike with additional ice powers (Not only undead creatures receive these enchantments).
Requirements Wildfire, Magic Bond, Archery

Sorcery
Basic Speeds up hero's casting in combat. Interval between two consecutive spell casts is reduced by 10%.
Advanced Speeds up hero's casting in combat. Interval between two consecutive spell casts is reduced by 20%.
Expert Speeds up hero's casting in combat. Interval between two consecutive spell casts is reduced by 30%..

Sorcery:  Abilities

Arcane Training Reduces casting costs of all spells by 20%..
Mysticism Doubles spell point regeneration.
Wisdom Allows a hero to learn magic spells of the third circle regardless of actual skills in respective schools of magic.
Counterspell Special combat ability. Negates all effects of the next spell cast by the enemy, but drains twice the mana cost of that spell.
Requirements Arcane Training
Chaotic Spells Mana cost of spells cast by the hero is randomly reduced by up to 50% (actual reduction is determined while casting is in progress).
Requirements Counterspell, Magic Mirror, Arcane Training

Summoning Magic
Basic Allows to learn Summoning Magic spells of the third circle and makes Summoning Magic more effective overall.
Advanced Allows to learn Summoning Magic spells of the fourth circle and makes Summoning Magic even more effective.
Expert Allows to learn Summoning Magic spells of the fifth circle and makes Summoning Magic ultimately powerful.

Summoning Magic:  Abilities

Master of Animation Makes Raise Dead and Magic First spells more powerful (effective Spell Power increases by 4 for casting those spells).
Master of Conjuration Makes Conjure Phoenix and Summon Elementals spells more powerful (effective Spell Power increases by 4 for casting those spells).
Master of Quakes Makes Land Mines and Earthquake spells more powerful (effective Spell Power increases by 4 for casting those spells).
Unsummon Special combat ability. Randomly unsummons part of the target summoned or gated stack.
Requirements Master of Conjuration
Elemental Overkill All Destructive Damage spells against summoned and gated targets deal double the normal damage.
Requirements Unsummon, Magic Bond, Master of Conjuration

War Machines
Basic Makes war machines more effective overall. Increases Offence, Defense and Damage of Ballistae. Increases Catapult's Damage and grants it a 30% chance to hit. The First Aid Tent receives increased Healing Power. Ammo Cart gains an ability to increase offence of ranged units in hero's army by 1.
Advanced Makes war machines more effective overall. Increases Offence, Defense and Damage of Ballistae. Increases Catapult's Damage and grants it a 40% chance to hit. The First Aid Tent receives increased Healing Power. Ammo Cart gains an ability to increase offence of ranged units in hero's army by 2.
Expert Makes war machines more effective overall. Increases Offence, Defense and Damage of Ballistae. Increases Catapult's Damage and grants it a 50% chance to hit. The First Aid Tent receives increased Healing Power. Ammo Cart gains an ability to increase offence of ranged units in hero's army by 3.

War Machines:  Abilities

Ballista Allows manual control of the Ballista. Ballista gains one extra shot. Restores the ballista after the battle if it was destroyed.
Cannoneer Allows manual control of the Catapult. Catapult gains one extra shot. Restores ammo cart after the battle if it was destroyed
First Aid Allows manual control of the First Aid Tent. Restores the First Aid Tent after the battle if it was destroyed
Remote Control At the beginning of the combat one of the enemy War Machines comes under your control.
Requirements Cannoneer
Shake Ground Hero acquires Earthquake spell and the ability to cast it with shaking effect, damaging and stunning all creatures behind fortress wall
Requirements Remote Control, Melt Artifact, Cannoneer