Siege Machines and Chances of Destroying a Building

Some of the Siege machines are the only Units that have the power to destroy Buildings in the Defender's Castle. The Chance for building destruction is defined in the beginning of the Battle if there are Catapults, Trebuchets or Siege Towers in the Attacker's Army and depends on their number.

Each Catapult has 0.03% chance of destroying 1 level of 1 building, each Trebuchet has 0.05% chance and each Siege Tower has 0.04% chance. The Maximum Chance for destroying a building level is 50% no matter the Motivation used, but Russian Nation and some Knights can increase it over that limit.

What do these percentages mean and how do they work ?

Let's say, you sent an attack which contains 200 Catapults and 300 Trebuchets. Each one of these units adds its bonus:200 Catapults * 0.03 = 6% 300 Trebuchets * 0.05 = 15% The total chance for these units to destroy a building is 21%;

Let's see what happens if you sent more units, for example:1500 Catapults * 0.03 = 45% 500 Trebuchets * 0.05 = 25% The total chance for these units to destroy a building is 70%, but since the maximum chance is 50%, the actual chance here is 50%.

The nation Russians as well as some Knights can increase this chance above 50%. The Special Unit of the Russians has 2 affects on Buildings Demolish:

  • This is the only unit, apart from the Catapult and Trebuchet, that adds to the chance to destroy a building;
  • When the third upgrade of this unit is developed, the MAXIMUM chance of destroying a building becomes 60%; Note that Buildings which are less than level 5 and Buildings which are under construction for new level cannot be destroyed, except by the Russian nation.

There is an option for Motivating your Siege machines which increases the bonus from each different unit. When sending an attack that contains siege engines, that have a chance to destroy a building, you can target the attack on a particular group of buildings. The zones at which you can target the siege engines are:Economy, Military, Production.

The categories contain :

  • Production – If your siege machines target the production of an opponent they will demolish one of the following buildings if they succeed: Storages, Gold mine, Iron mine, Lumberjacks or Farms.
  • Military – If your siege machines target the military of an opponent they will demolish one of the following buildings if they succeed: Barracks, Stables, Wall, Tower or Infirmary.
  • Economy - If your siege machines target the utility buildings of an opponent they will demolish one of the following buildings if they succeed: Workshop, Blacksmith, Dwellings, Marketplace or Shelter.

Note: Russian nation can destroy Order building - the chance for that to happen should remain the same regardless of the building type chosen

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