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Third Upgrades Mod

Addon for Heroes of Might and Magic III (1999) and the mod HoMM3 ERA 3 (WoG) | Category: Gameplay

Author: VMaiko | Curator: User AvatarModbadger

Addon for Heroes of Might and Magic III (1999) and the mod HoMM3 ERA 3 (WoG) | Category: Gameplay

Author: VMaiko | Curator: User AvatarModbadger

Third Upgrades Mod for HoMM3 and ERA platform (WoG). The mod allows additional upgrades for creatures and dwellings, and also adds new artifacts.

Uploaded16.12.2025 17:46
Version3.3.0
Size193.00 MB
Views31
Downloads2

Localizations:

English

The addon is localized into 1 language

(You don’t need to download anything extra to play in these languages)

Features

  • 125 new creatures

  • 90 new artifacts

  • Various decorative objects that are generated in RMG

  • 45 new dwellings

  • 35 new creature banks

  • New adventure items

  • Independent dwelling upgrades

Independent Dwelling Upgrades

Dwellings can now be upgraded independently of each other. Units of levels 1-6 can be upgraded a third time, and level 7 units can be upgraded a fourth time, which is considered a "level 8 upgrade".

Note: Right-clicking on the town hall does not disable the town destruction function. However, when it is not in use, the standard text will not be displayed. It will "return" if you build a capitol or destroy the fort - then the standard text will appear after clicking the "OK" button. If you completely destroy the town, the new building will also be destroyed.

Creature Upgrades

Each new dwelling is now presented with a specific name in the town hall menu.

Castle

  • Halberdier → Royal Halberdier — Royal Guardhouse

  • Marksman → Crossbowman — Crossbowmen's Tower

  • Royal Griffin → Cesar Griffin — Grand Griffin Tower

  • Crusader → Inquisitor — Headquarters

  • Zealot → High Priest — Convent

  • Champion → Holy Champion — Training Camps

  • Supreme Archangel → Seraph Archangel — Portal of Splendor → Upg. Portal of Splendor

Rampart

  • Centaur Captain → General Centaur — Centaur Quarters

  • Battle Dwarf → Berserker Dwarf — Dwarf Hovel

  • Grand Elf → Sharpshooter Elf — Elves' Lodge

  • Silver Pegasus → Golden Pegasus — Magic Spring

  • Dendroid Soldier → Elder Dendroid — Dendroid Forest

  • War Unicorn → Legendary Unicorn — Unicorn Valley

  • Diamond Dragon → Pure Diamond Dragon — Dragon Peaks → Upg. Dragon Peaks

Tower

  • Master Gremlin → Grandmaster Gremlin — Central Workshop

  • Obsidian Gargoyle → Marble Gargoyle — Grand Parapet

  • Iron Golem → Steel Golem — Golem Industrial Factory

  • Arch Mage → Supreme ArchMage — Wizard Tower

  • Master Genie → Arcane Genie — Altar of Dreams

  • Naga Queen → Naga Empress — Shiny Pavilion

  • Lord of Thunder → Guardian of Zeus — Storm Temple → Upg. Storm Temple

Inferno

  • Familiar → Hellish Plague Imp — Foundry

  • Magog → Winged Magog — Hall of Laments

  • Cerberus → Astral Cerberus — Raging Kennels

  • Horned Demon → Sharp-Horned Demon — Demon Portal

  • Pit Lord → Pit Master — Heart of the Pit

  • Efreet Sultan → Efreet Rajah — Lava Lake

  • Hell Baron → Antichrist — Unholy Palace → Upg. Unholy Palace

Necropolis

  • Skeleton Warrior → Skeleton Knight — Crypt

  • Zombie → Ghoul — City of the Dead

  • Wraith → Ghast — Spectral Tomb

  • Vampire Lord → Nosferatu — Vampire Mansion

  • Power Lich → Lich King — Ziggurat

  • Dread Knight → Death Knight — Hall of the Death

  • Blood Dragon → Red Bones Dragon — Bloody Vault → Upg. Bloody Vault

Dungeon

  • Infernal Troglodyte → Phosphorous Troglodyte — Moist Warren

  • Harpy Hag → Harpy Sanguinary — Harpy's Den

  • Evil Eye → Monstrous Eye — Pillar of Thousand Eyes

  • Medusa Queen → Medusa Empress — Chapel of Perpetual Silence

  • Minotaur King → Black Minotaur — Vast Maze

  • Scorpicore → Chimera — Chimera Lair

  • Darkness Dragon → Abyss Dragon — Cave of Darkness → Upg. Cave of Darkness

Stronghold

  • Hobgoblin → Hobgoblin Overlord — Goblin Quarters

  • Wolf Raider → Killer Wolf Raider — Wolf Lodgment

  • Orc Chieftain → Orc Leader — Orc Fortified Tower

  • Ogre Mage → Elder Ogre — Ogre Fort

  • Enchanted Thunderbird → Lightningbird — Crag Nest

  • Cyclops King → Cyclops Emperor — Cyclops Deep Cavern

  • Ghost Behemoth → Spectral Behemoth — Behemoth Tomb → Upg. Behemoth Tomb

Fortress

  • Gnoll Marauder → Gnoll Shaman — Gnoll Hovel

  • Lizard Warrior → Elite Lizard — Lizard Hatchery

  • Dragon Fly → Chaotic Dragon Fly — Dragon Fly Hive

  • Greater Basilisk → Lava Basilisk — Basilisk Lava Pond

  • Mighty Gorgon → Catoblepas — Catoblepas Lair

  • Wyvern Monarch → Acid Wyvern — Haunt of Wyverns

  • Hell Hydra → Nightmare Hydra — Chaos Pool → Upg. Chaos Pool

Conflux

  • Pixie → Fairy — Fairy Garden

  • Storm Elemental → Hurracane Elemental — Grand Altar of Air

  • Ice Elemental → Life Elemental — Grand Altar of Water

  • Energy Elemental → Plasma Elemental — Grand Altar of Fire

  • Magma Elemental → Mineral Elemental — Grand Altar of Thought

  • Magic Elemental → Void Elemental — Grand Altar of Earth

  • Sacred Phoenix → Divine Phoenix — Spirit Pyre → Upg. Spirit Pyre

Neutrals

  • Gorynych → Tiamat

  • Dracolich → Necross Dragon

  • Rogue → Assassin (Hill Fort only)

  • Enchanter → Spellweaver (Hill Fort only)

  • Faerie Dragon → Primal Faerie Dragon (Hill Fort only)

  • Topaz Crystal Dragon → Amethyst Crystal Dragon → Ruby Crystal Dragon → Emerald Crystal Dragon → Shappire Crystal Dragon (Hill Fort only)

Creature Specialization

Heroes specializing in creatures have the following scaling characteristics: Attack/Defense: +1 to attack/defense for every 7 hero levels Damage: Hero level: value depending on creature level Health: 9%+1*Hero level

This bonus is added to creatures only in combat! The regular Heroes 3 mechanics (+1 to speed and +Att/Def after every x-level) still work and are displayed directly on your creature on the hero screen. You'll find this scale much fairer than the broken WoG script where every creature ended up with +50 Att/Def after sufficient hero levels. If you don't like this script, you can simply delete the ERM files "Creature Specialisation Third Upgrade Mod" and "81 wog - disable options" in the Data/s folder.

Necromancy

Thanks to amethyst, what has been requested for so long is now possible — Necromancy is compatible with Third Upgrades Mod. Necromancy is now adapted and works as follows:

Basic Necromancy: resurrection of Skeletons Advanced Necromancy: resurrection of Skeleton Warriors Expert Necromancy: resurrection of Skeleton Knights

The Cloak of the Undead King has also been made compatible with Third Upgrades Mod and Necromancy:

Basic Necromancy: resurrection of Ghouls Advanced Necromancy: resurrection of Wraiths Expert Necromancy: resurrection of Lich Kings

Additional Units

Additional units can now be obtained in the game. To do this, 2 conditions must be met: build a dwelling of the same level as the creature itself (for example, to build a Treehouse, you need to build Enchanting Spring), and also build an exclusive building for each faction. To get an upgraded version of an additional unit, you need to build a building that allows for third upgrades.

How to install an addon Third Upgrades Mod

  1. Make sure you have installed HoMM3 ERA mod.

  2. Extract the archive to the folder with the installed HoMM3 ERA mod.

  3. Launch ERA Mod Manager, which is located at mod folder\Tools\Mod Manager and activate the mod.

  4. Play! You will know the mod is working when you see the splash screen at map launch.

You can also use Heroes Launcher, which is capable of installing the mod automatically.

Mod installation interface in Heroes Launcher