Might & Magic: Heroes 5.5 RC18i maintenance release

Another maintenance release is out admittedly performing maintenance on the previous maintenance patch, since it introduced a desync issue in multiplayer that was hard to find. Multiplayer activity has been going up and still some balance issues remained unresolved. Mainly ballista and destructive magic remaining too dominant and balance of neutral stacks on the adventure map.

Might & Magic: Heroes 5.5
Heroes 5 Bundle GOG (works with this version)
see discord server for large database of compatible maps (most maps from maps4heroes.com have to be edited to work properly)


  • fixed cause of LAN desync introduced in version 18g


  • Single shooter stacks are no longer generated on map
  • Unupgraded stacks will no longer randomly add upgraded stack in combat
  • Shooters and casters will always appear in mixed stacks. This also applies for Fortress Flame Lords.
  • Guards for ARMG Primary Skill buff buildings have their strength lowered

With this changes included default creature generation is now optimized for competitive play. If neutrals on an ARMG map are regenerated with mapmixer or by activating scripted regeneration then this no longer applies and the result depends on the settings of those methods.


  • Wands spellpower increased from 8 to 20
  • Staff of Sar-Issus magic resistance reduction from 100% to 50%.
  • Air/Earth/Water/Fire orbs bonus elemental spell damage from 30% to 25%.
  • Trident of Titans/Emberstone Necklace/Evercold Icecicle/Emerald Slippers bonus elemental spell dmg from 20% to 15%
  • Garments of the Saint set artifacts for tiers (1/2/3/4/5/6/7) resurrection mana cost reduced from (6/8/10/12/14/16/18) to (6/7/8/10/12/14/16)
  • Necromancy amulet cost discount reduced to 10% and the artifact is lowered to minor level
  • Necromancy amulet makes all friendly creatures in the hero’s army immune to decay spell, because the artifact is minor it is more widely available


  • Engineering perk initiative bonus to war machines from 3 to 2
  • Runic Attunement perk morale bonus from 3 to 2.
  • Swift Mind perk hero ATB bonus reduced from 0.25 to 0.2.
  • Corrupt Soil perk dmg per hero level reduced from 10 to 8, since dungeon and stronghold were unfairly affected
  • Necromancy skill gives +50 more dark energy
  • Ignite perk burn damage damage over 2 turns reduced from 100% to 66%.
  • Power of Deflection perk also give hero the Magical Immunity spell and allows casting it at expert level
  • Silver City Magistrate perk gives 33% more djinns
  • Lord of the Undead perk Knowledge bonus from 1 to 2.


  • Vampirism cost lowered from 25 to 20
  • Regeneration cost lowered from 15 to 12
  • Armageddon now uses same dmg formula as fireball – now 12/14/17/20*(Spellpower + 1) from 15/17/21/25*(Spellpower + 1)
  • Hypnotize initiative can be shattered more
  • Banshee Howl lowers morale and luck by 1 instead of 2


  • Rakshasa Raja added Dash ability, -2 initiative
  • Rakshasa Ksatri removed Dash ability, -2 min dmg, -5HP, +3 initiative, (previously had too much of the good abilities)
  • unupgraded Djinns +4 max dmg
  • Battle Griffins -5HP, +2 min dmg
  • Blood Mistresses -1A, -1D, -2 max dmg
  • Lich Masters +1 max dmg
  • neutral Pit Spawns can cast less Rupture spells when split in 3 or 4


  • Spectral Dragon specialization no longer has ‘no enemy retaliation’ ability and level requirements for other abilities are slightly higher
  • Erling specialization also increases the mana pools of Rune Priests/Patriarchs/Keepers
  • Vidomina starts with Drain Soul perk
  • Naadir starts with Eternal Servitude perk
  • Godric description text is cleaned up


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