Alan
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http://homm3world.narod.ru/index.html Here's the game's physics... for those who don't want to download and search, I'll provide the text about mines...
"(1) The walls of the Mage Guild city are surrounded by Land Mines. As you know, they pose a threat only to attacking units (unlike the defensive moat, which damages the defender's units if they come within its range). The amount of damage inflicted on an enemy unit by each mine that appears on the battlefield after casting the Land Mine spell is determined by the formula (10 x SP + A), where A is equal to 25 if the Hero does not have the secondary skill Fire Magic or has it at the basic level, 50 - if they have Advanced Fire Magic, and 100 - if the Hero has this skill at the Expert level. The damage from "city" Land Mines is not constant and is determined differently for the game itself and its add-ons.
For RoE:
1) If the city has only a garrison, the damage from each mine is equal to 55 HP.
2) If there is a Hero in the city, the amount of damage inflicted by Land Mine is determined by the formula above. In this case, the damage from the mine may be less than 55.
For AB and SoD:
1) If the city has only a garrison, the damage from each mine is equal to 150 HP.
2) If the defending Hero has Spell Power and/or the secondary skill Fire Magic such that the amount of damage calculated using the specified formula exceeds 150 HP, then the damage from the "city" mine will be determined by this value; otherwise, the amount of damage is equal to 150 HP. Interestingly, in this case, the mines that appear on the battlefield after casting the Land Mine spell may inflict significantly less damage than the "city" mines. It should be noted that Land Mines along the walls of the Tower are less reliable than the defensive moats of other cities, as they inflict one-time damage and can be easily destroyed by the Mass Dispel spell. (Source – astralwizard, Dan McGraw)"
I hope this answers all your questions...
"(1) The walls of the Mage Guild city are surrounded by Land Mines. As you know, they pose a threat only to attacking units (unlike the defensive moat, which damages the defender's units if they come within its range). The amount of damage inflicted on an enemy unit by each mine that appears on the battlefield after casting the Land Mine spell is determined by the formula (10 x SP + A), where A is equal to 25 if the Hero does not have the secondary skill Fire Magic or has it at the basic level, 50 - if they have Advanced Fire Magic, and 100 - if the Hero has this skill at the Expert level. The damage from "city" Land Mines is not constant and is determined differently for the game itself and its add-ons.
For RoE:
1) If the city has only a garrison, the damage from each mine is equal to 55 HP.
2) If there is a Hero in the city, the amount of damage inflicted by Land Mine is determined by the formula above. In this case, the damage from the mine may be less than 55.
For AB and SoD:
1) If the city has only a garrison, the damage from each mine is equal to 150 HP.
2) If the defending Hero has Spell Power and/or the secondary skill Fire Magic such that the amount of damage calculated using the specified formula exceeds 150 HP, then the damage from the "city" mine will be determined by this value; otherwise, the amount of damage is equal to 150 HP. Interestingly, in this case, the mines that appear on the battlefield after casting the Land Mine spell may inflict significantly less damage than the "city" mines. It should be noted that Land Mines along the walls of the Tower are less reliable than the defensive moats of other cities, as they inflict one-time damage and can be easily destroyed by the Mass Dispel spell. (Source – astralwizard, Dan McGraw)"
I hope this answers all your questions...
Тьма - это то, что позволяет смертным не забывать, как ярок бывает свет.