List of all bonus types

General-purpose bonuses

• NONE
• MORALE
• LUCK
• MAGIC_SCHOOL_SKILL eg. for magic plains terrain, subtype: school of magic (0 - all, 1 - fire, 2 - air, 4 - water, 8 - earth, value - level
• NO_TYPE
• DARKNESS val = radius

Hero bonuses

• MOVEMENT both water / land
• LAND_MOVEMENT
• SEA_MOVEMENT
• WATER_WALKING subtype 1 - without penalty, 2 - with penalty
• PRIMARY_SKILL uses subtype to pick skill; additional info if set: 1 - only melee, 2 - only distance
• SIGHT_RADIOUS
• MANA_REGENERATION points per turn apart from normal (1 + mysticism
• FULL_MANA_REGENERATION all mana points are replenished every day
• NONEVIL_ALIGNMENT_MIX good and neutral creatures can be mixed without morale penalty
• SECONDARY_SKILL_PREMY %
• SURRENDER_DISCOUNT %
• IMPROVED_NECROMANCY allows Necropolis units other than skeletons to be raised by necromancy

Hero specialties

• SPECIAL_SECONDARY_SKILL val = id, additionalInfo = value per level in percent
• SPECIAL_SPELL_LEV val = id, additionalInfo = value per level in percent
• SPELL_DAMAGE val = value
• SPECIFIC_SPELL_DAMAGE subtype = id of spell, val = value
• SPECIAL_BLESS_DAMAGE val = spell (bless, additionalInfo = value per level in percent
• MAXED_SPELL val = id
• SPECIAL_PECULIAR_ENCHANT blesses and curses with id = val dependent on unit's level, subtype = 0 or 1 for Coronius
• SPECIAL_UPGRADE val = base, additionalInfo = target
• DRAGON_NATURE
• DEATH_STARE subtype 0 - gorgon, 1 - commander

Artifact bonuses

• SPELL_DURATION
• AIR_SPELL_DMG_PREMY
• EARTH_SPELL_DMG_PREMY
• FIRE_SPELL_DMG_PREMY
• WATER_SPELL_DMG_PREMY
• BLOCK_MORALE
• BLOCK_LUCK
• FIRE_SPELLS
• AIR_SPELLS
• WATER_SPELLS
• EARTH_SPELLS
• GENERATE_RESOURCE daily value, uses subtype (resource type
• CREATURE_GROWTH for legion artifacts: value - week growth bonus, subtype - monster level if aplicable
• WHIRLPOOL_PROTECTION hero won't lose army when teleporting through whirlpool
• SPELL hero knows spell, val - skill level (0 - 3, subtype - spell id
• SPELLS_OF_LEVEL hero knows all spells of given level, val - skill level; subtype - level
• ENEMY_CANT_ESCAPE for shackles of war
• NEGATE_ALL_NATURAL_IMMUNITIES
• OPENING_BATTLE_SPELL casts a spell at expert level at beginning of battle, val - spell power, subtype - spell id
• CREATURE_GROWTH_PERCENT increases growth of all units in all towns, val - percentage
• FREE_SHIP_BOARDING movement points preserved with ship boarding and landing

Creature bonuses

• STACK_HEALTH
• STACKS_SPEED additional info - percent of speed bonus applied after direct bonuses; >0 - added, <0 - subtracted to this part
• FLYING_MOVEMENT subtype 1 - without penalty, 2 - with penalty
• CREATURE_DAMAGE subtype 0 = both, 1 = min, 2 = max
• EXP_MULTIPLIER val - percent of additional exp gained by stack / commander (base value 100)
• SHOTS

Creature abilities

• FREE_SHOOTING stacks can shoot even if otherwise blocked (sharpshooter's bow effect)
• FLYING
• SHOOTER
• CHARGE_IMMUNITY
• ADDITIONAL_ATTACK
• UNLIMITED_RETALIATIONS
• NO_MELEE_PENALTY
• JOUSTING for champions
• HATE eg. angels hate devils, subtype - ID of hated creature, val - damage bonus percent
• KING1
• KING2
• KING3
• MAGIC_RESISTANCE in % (value
• CHANGES_SPELL_COST_FOR_ALLY in mana points (value , eg. mage
• CHANGES_SPELL_COST_FOR_ENEMY in mana points (value , eg. pegasus
• SPELL_RESISTANCE_AURA eg. unicorns, value - resistance bonus in % for adjacent creatures
• LEVEL_SPELL_IMMUNITY creature is immune to all spell with level below or equal to value of this bonus
• TWO_HEX_ATTACK_BREATH eg. dragons
• SPELL_DAMAGE_REDUCTION eg. golems; value - reduction in %, subtype - spell school; -1 - all, 0 - air, 1 - fire, 2 - water, 3 - earth
• NO_WALL_PENALTY
• NON_LIVING eg. gargoyle
• BLOCKS_RETALIATION eg. naga
• MANA_CHANNELING value in %, eg. familiar
• SPELL_LIKE_ATTACK subtype - spell, value - spell level; range is taken from spell, but damage from creature; eg. magog
• THREE_HEADED_ATTACK eg. cerberus
• FIRE_SHIELD
• UNDEAD
• HP_REGENERATION creature regenerates val HP every new round
• FULL_HP_REGENERATION first creature regenerates all HP every new round; subtype 0 - animation 4 (trolllike, 1 - animation 47 (wightlike
• MANA_DRAIN value - spell points per turn
• LIFE_DRAIN
• DOUBLE_DAMAGE_CHANCE value in %, eg. dread knight
• RETURN_AFTER_STRIKE
• SELF_MORALE eg. minotaur
• CATAPULT
• ENEMY_DEFENCE_REDUCTION in % (value eg. behemots
• GENERAL_DAMAGE_REDUCTION shield air shield effect
• GENERAL_ATTACK_REDUCTION eg. while stoned or blinded - in %, subtype: -1 - any damage, 0 - melee damage, 1 - ranged damage
• DEFENSIVE_STANCE val - bonus to defense while defending
• ATTACKS_ALL_ADJACENT eg. hydra
• MORE_DAMAGE_FROM_SPELL value - damage increase in %, subtype - spell id
• FEAR
• FEARLESS
• NO_DISTANCE_PENALTY
• SELF_LUCK halfling
• HEALER
• SIEGE_WEAPON
• ADDITIONAL_RETALIATION value - number of additional retaliations
• MAGIC_MIRROR value - chance of redirecting in %
• SLAYER value - level
• NO_LUCK eg. when fighting on cursed ground
• NO_MORALE eg. when fighting on cursed ground
• ACID_BREATH additional val damage per creature after attack, additional info - chance in percent

Spell effects

• POISON val - max health penalty from poison possible
• BIND_EFFECT doesn't do anything particular, works as a marker
• FORGETFULL forgetfulness spell effect, value - level
• NOT_ACTIVE
• ALWAYS_MINIMUM_DAMAGE unit does its minimum damage from range; subtype: -1 - any attack, 0 - melee, 1 - ranged, value: additional damage penalty (it'll subtracted from dmg, additional info - multiplicative anti-bonus for dmg in % [eg 20 means that creature will inflict 80% of normal minimal dmg]
• ALWAYS_MAXIMUM_DAMAGE eg. bless effect, subtype: -1 - any attack, 0 - melee, 1 - ranged, value: additional damage, additional info - multiplicative bonus for dmg in %
• ATTACKS_NEAREST_CREATURE while in berserk
• IN_FRENZY value - level
• HYPNOTIZED

Creature spellcasting and immunities

• SPELLCASTER subtype - spell id, value - level of school, additional info - weighted chance. use SPECIFIC_SPELL_POWER, CREATURE_SPELL_POWER or CREATURE_ENCHANT_POWER for calculating the power
• ENCHANTER for Enchanter spells, val - skill level, subtype - spell id, additionalInfo - cooldown
• RANDOM_SPELLCASTER eg. master genie, val - level
• SPELL_AFTER_ATTACK subtype - spell id, value - chance %, additional info % 1000 - level, (additional info1000 -> [0 - all attacks, 1 - shot only, 2 - melee only
• SPELL_BEFORE_ATTACK subtype - spell id, value - chance %, additional info % 1000 - level, (additional info1000 -> [0 - all attacks, 1 - shot only, 2 - melee only
• RECEPTIVE accepts friendly spells even with immunity
• DIRECT_DAMAGE_IMMUNITY direct damage spells, that is
• CASTS how many times creature can cast activated spell
• FIRE_IMMUNITY subtype 0 - all, 1 - all except positive, 2 - only damage spells
• WATER_IMMUNITY
• EARTH_IMMUNITY
• AIR_IMMUNITY
• SPELL_IMMUNITY subid - spell id
• SPECIFIC_SPELL_POWER value used for Thunderbolt and Resurrection casted by units, subtype - spell id
• CREATURE_SPELL_POWER value per unit, divided by 100 (so faerie Dragons have 800
• CREATURE_ENCHANT_POWER total duration of spells casted by creature
• DAEMON_SUMMONING pit lord, subtype - type of creatures, val - hp per unit
• REBIRTH val - percent of life restored, subtype = 0 - regular, 1 - at least one unit (sacred Phoenix)