Auto-translated
Hero Features:
1. If a battle takes place in a Dungeon, the Blindness spell will not affect any Dungeon creatures. (On the surface, it only affects Moles and Troglodytes).
2. The Summon Creatures spell can now be cast during battle and is free. The level and number of creatures depend on the location of the battle (in a Dungeon, the reinforcements will be better) and on the level of the corresponding skill, which is only available to Children of the Dungeon.
3. When using the Portal spell to travel to a town, the hero does not lose any remaining movement points and can choose which friendly town to teleport to (only Underground Realms can be chosen).
4. Dungeons contain large deposits of ore, so ore is bought and sold in the markets of the Underground Realms at twice the price compared to other towns.
Creature Features:
1A. Mole.
Blind creature, Burrow (moles do not move on the surface; they dig tunnels and move through them underground, thus, they are like flying creatures - they can crawl over a castle wall).
1B. Greater Mole.
Blind creature, Burrow.
1C. Frenzied Mole.
Blind creature, Burrow, when biting, the enemy unit becomes infected with Plague.
2A. Troglodyte.
Blind creature.
2B. Hell Troglodyte.
Blind creature.
2C. Ravenous Troglodyte.
Blind creature, Frenzy.
3A. Underworld Serpent.
Spits saliva (Underworld Serpents, Beasts, and Parasites spit their green saliva at enemies).
3B. Underworld Beast.
Spits saliva, on hit, applies the Weaken spell effect.
3C. Underworld Parasite.
Spits saliva, on hit, applies the Impair spell effect.
4A. Dungeon Dweller.
Stone Skin (Underworld Dwellers, Warriors, and Giants start the battle with the Stone Skin spell already active).
4B. Dungeon Warrior.
Stone Skin, Frenzy.
4C. Dungeon Giant.
Stone Skin, Frenzy, Ranged Attack (Dungeon Giants throw large stones at enemies; 5 charges).
5A. Underworld Sorcerer.
Spellbook (spells: Disruption Field, Magic Bolt).
5B. Underworld Mage.
Magic Ranged Attack, Spellbook (spells: Stone Spike, Slow).
5C. Underworld Archmage.
Spellbook (spells: Stone Spike, Ice Bolt, Confusion).
6A. Manticore.
It already exists in Heroes; the features are the same.
6B. Dread Manticore.
The features are the same as the Manticore, + on attack, applies the Confusion spell effect.
6C. Scorpicore.
The features are the same as the Manticore, + on attack, applies the Plague spell effect.
7A. Dungeon Lord.
Necromancers cannot raise Dungeon Lords, Underworld Gods, and Lava Gods. Dungeon Lords and Underworld Gods can transform into millions of small particles, in which form they can fly over a wall.
7B. Underworld God.
The features are the same as Dungeon Lords.
7C. Lava God.
Lava Ranged Attack, and Necromancers cannot raise Dungeon Lords, Underworld Gods, and Lava Gods.