Secondary skill

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Secondary skills
Expert Air Magic.png Air Magic
Expert Archery.png Archery
Expert Armorer.png Armorer
Expert Artillery.png Artillery
Expert Ballistics.png Ballistics
Expert Diplomacy.png Diplomacy
Expert Eagle Eye.png Eagle Eye
Expert Earth Magic.png Earth Magic
Expert Estates.png Estates
Expert Fire Magic.png Fire Magic
Expert First Aid.png First Aid
Expert Intelligence.png Intelligence
Expert Leadership.png Leadership
Expert Learning.png Learning
Expert Logistics.png Logistics
Expert Luck.png Luck
Expert Mysticism.png Mysticism
Expert Navigation.png Navigation
Expert Necromancy.png Necromancy
Expert Offense.png Offense
Expert Pathfinding.png Pathfinding
Expert Resistance.png Resistance
Expert Scholar.png Scholar
Expert Scouting.png Scouting
Expert Sorcery.png Sorcery
Expert Tactics.png Tactics
Expert Water Magic.png Water Magic
Expert Wisdom.png Wisdom
Expert Interference.png Interference Horn of the Abyss

Secondary skills are beneficial qualities of heroes. There are 28 different secondary skills and each one has three levels: basic, advanced and expert. Each level increases the capability of the secondary skill making it more influential. Typically in custom scenarios heroes start with either two secondary skills at basic level or one at advanced level. Each hero can have up to eight secondary skills.

If a hero does not already possess eight secondary skills, he/she gets an offer of two different skill during level-up. The first offer is a skill s/he already has but which is not yet at expert level. The second offer is random, but the probabilities of the skills offered are dependent on the hero's class. If a hero already has all secondary skills at expert level, both offers are random. If a hero already has eight secondary skills, both offers are random but within the skills pool this hero is allowed to have.

There are few other ways to acquire a secondary skill. They can be learned from scholars, witch huts or universities on the adventure map. In Armageddon's Blade Conflux has a special building magic university that can teach one of the four schools of magic. Additionally, at map editor it is possible to set events on the map, that teaches secondary skills.

Once secondary skill is learned, it can not be removed. The fact that hero can not remove secondary skill, makes the choosing of them one of the most important decisions in the game.

The random seed for offering skills is separate for every hero; therefore, even when reloading and levelling your heroes in different order, they will will be offered the same skills upon reaching the next level. The only option to change these is when receiving another secondary skill, e.g. from Witch Hut or Scholar.

Heroes are also guaranteed to be offered Wisdom or school of magic Earth Magic, Fire Magic, Water Magic, Air Magic every few levels: Wisdom will be offered at level 6 for Might heroes and Elementalists, and at level 3 for Magic heroes (exept Elementalists) if it was not offered before. It will be offered again from whenever it was offered at most 6 levels later for Might heroes and Elementalists, and at most 3 levels later for Magic heroes (exept Elementalists). The same applies to one of the schools of magic every 4 levels for Might heroes and every 3 levels for Magic heroes. In HotA Horn of the Abyss numbers for Elementalist class were changed to match the numbers for Magic oriented heroes.

Secondary skills are divided into three categories: combat skills, magic skills and adventure skills. Combat skills affect directly to combat capabilities of creatures under hero's command; magic skills affect hero's abilities to cast spells; and adventure skills improves hero's adventure map qualities.

Frequency Across All Hero Classes[edit]

The following chart is a chart for all hero classes and what skills are the most and least common in the game; the percentage represents roughly the frequency a skill is offered. Calculating the average frequency at which a skill is offered in a category is simple; each hero has probabilities to be offered a skill in increments of 1/112. Taking Necromancy as a simple example, all heroes except for Necropolis heroes have a 0/112 chance of being offered it; while both Necropolis hero classes have a 10/112 chance of being offered it (if not starting with it). This would bring the sum of lots to 20. Given that there are 18 hero classes, 18 x 112 = 2016 lots in total calculation. Thus, we can divide 20 by 2016 to get the frequency the skill is offered among all hero classes, which is roughly 0.99%, making it the rarest naturally offered skill in the game.

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Total secondary skill chances (in %)
 Secondary skill All
Classes
Might
Classes
Magic
Classes
Good
Classes
Neutral
Classes
Evil
Classes
Expert Air Magic.png Air Magic 2.5 2.0 3.0 3.0 2.7 1.9
Expert Archery.png Archery 4.2 5.2 2.7 4.2 4.6 3.7
Expert Armorer.png Armorer 4.1 5.9 2.3 4.2 4.5 3.7
Expert Artillery.png Artillery 3.7 5.0 1.8 2.8 4.5 3.9
Expert Ballistics.png Ballistics 5.4 6.2 4.7 4.5 6.1 5.7
Expert Diplomacy.png Diplomacy 2.9 2.4 3.5 3.9 1.9 3.0
Expert Eagle Eye.png Eagle Eye 4.2 2.9 6.3 4.2 4.2 4.2
Expert Earth Magic.png Earth Magic 3.3 2.7 3.9 2.7 3.1 4.0
Expert Estates.png Estates 2.5 2.3 2.6 3.4 1.6 2.5
Expert Fire Magic.png Fire Magic 2.1 1.4 2.9 1.0 2.5 2.8
Expert First Aid.png First Aid 3.4 2.5 5.1 4.6 3.6 2.1
Expert Intelligence.png Intelligence 4.0 2.4 6.3 4.5 3.4 4.2
Expert Leadership.png Leadership 3.2 4.1 2.1 4.0 3.1 2.4
Expert Learning.png Learning 4.1 4.2 3.6 4.5 4.2 3.6
Expert Logistics.png Logistics 4.8 5.7 3.4 4.0 5.5 4.8
Expert Luck.png Luck 2.6 2.4 3.1 4.3 2.2 1.3
Expert Mysticism.png Mysticism 4.4 3.1 6.2 4.0 4.2 4.9
Expert Navigation.png Navigation 3.7 4.6 2.9 3.3 3.7 4.0
Expert Necromancy.png Necromancy 1.0 1.0 1.0 0.0 0.0 3.0
Expert Offense.png Offense 4.5 5.8 2.5 3.6 5.2 4.6
Expert Pathfinding.png Pathfinding 3.9 4.6 2.9 3.6 4.5 3.7
Expert Resistance.png Resistance 3.0 4.7 1.1 3.3 2.5 3.1
Expert Scholar.png Scholar 3.7 1.9 6.1 4.2 3.3 3.6
Expert Scouting.png Scouting 3.6 4.6 2.2 3.3 4.3 3.1
Expert Sorcery.png Sorcery 4.0 2.5 6.3 3.7 3.7 4.6
Expert Tactics.png Tactics 3.8 5.2 1.8 3.0 4.3 4.2
Expert Water Magic.png Water Magic 2.3 1.8 3.0 3.0 2.4 1.6
Expert Wisdom.png Wisdom 5.2 3.7 7.2 5.5 4.2 5.8

In Horn of the Abyss, the calculations are trickier, as each hero class does not have an exact 112 lots of skills, but rather each hero class has 112 to 121 lots of all skills. Things are further complicated by Resistance being banned by default on all maps and templates and consequently the vast majority of games played not having it in the lots. Furthermore, Navigation is also banned by default on all random map templates without water (and the vast majority of templates were created with the "None" water setting in mind, as with water, border guards and other barriers can often be bypassed). Removing both Navigation and Resistance from the lots make the lots range from 102 to 111.

In this chart, the sum of each column will be over 100%, as Navigation and Resistance are not counted, and their listed percentages are not their true percentages, but are there only to compare to other skills.

An example calculation: on average, each hero class has 107 lots if Resistance and Navigation are both disabled. There are currently (as of 1.6.1) 20 hero classes in Horn of the Abyss, which makes the grand sum of lots 107 x 20 = 2140. Interference has 54 lots across all hero classes, making its percent 54 / 2140 ≈ 2.52%. Resistance has 68 lots across all hero classes, making its percent 68 / 2140 ≈ 3.18%; but this is only a comparative value, rather than a true percentage, as the chance to get Resistance if it is disabled is 0. A real value could be computed if Resistance was enabled and Interference disabled, or if both were enabled; however enabling or disabling any skill will change the grand sum and thus change the percentages of all skills. For example, if all skills are enabled, the grand sum becomes 2294. Interference's average chances becomes 54 / 2294 ≈ 2.35%; while Resistance's average chances becomes 68 / 2294 ≈ 2.96%; while Artillery's chances go from roughly 4.63% to 4.32%.

The chart below assumes Resistance and Navigation are both disabled and the figures given for those skills are only for comparison rather than true percentages.

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Total secondary skill chances (in %) Horn of the Abyss
 Secondary skill All
Classes
Might
Classes
Magic
Classes
Good
Classes
Neutral
Classes
Evil
Classes
Expert Air Magic.png Air Magic 2.8 2.1 3.5 3.1 3.2 2.0
Expert Archery.png Archery 4.6 6.2 3.1 4.3 5.4 3.9
Expert Armorer.png Armorer 4.0 5.8 2.2 4.3 3.9 3.9
Expert Artillery.png Artillery 3.8 5.8 1.8 2.9 4.2 4.1
Expert Ballistics.png Ballistics 5.4 6.3 4.6 4.6 5.6 5.9
Expert Diplomacy.png Diplomacy 3.1 2.7 3.5 4.0 2.3 3.1
Expert Eagle Eye.png Eagle Eye 4.2 2.3 6.1 4.3 4.0 4.4
Expert Earth Magic.png Earth Magic 3.5 2.9 4.1 2.8 3.5 4.2
Expert Estates.png Estates 2.7 2.7 2.6 3.6 2.0 2.7
Expert Fire Magic.png Fire Magic 2.2 1.5 2.9 1.1 2.5 3.0
Expert First Aid.png First Aid 3.5 1.9 5.1 4.8 3.5 2.2
Expert Intelligence.png Intelligence 4.3 2.0 6.6 4.6 4.0 4.4
Expert Interference.png Interference 2.5 4.9 0.2 2.9 2.1 2.7
Expert Leadership.png Leadership 3.4 4.6 2.1 4.2 3.4 2.5
Expert Learning.png Learning 4.1 4.5 3.7 4.6 4.0 3.7
Expert Logistics.png Logistics 4.9 6.4 3.5 4.2 5.4 5.0
Expert Luck.png Luck 3.0 2.7 3.3 4.5 3.1 1.4
Expert Mysticism.png Mysticism 4.3 2.5 6.1 4.2 3.8 5.1
Expert Navigation.png Navigation 4.0 4.8 3.3 3.4 4.3 4.2
Expert Necromancy.png Necromancy 0.9 0.9 0.9 0.0 0.0 3.1
Expert Offense.png Offense 4.8 6.9 2.7 3.7 5.6 4.8
Expert Pathfinding.png Pathfinding 4.3 5.4 3.3 3.7 5.2 3.9
Expert Resistance.png Resistance 3.2 4.9 1.5 3.4 2.9 3.3
Expert Scholar.png Scholar 3.7 1.3 6.2 4.3 3.3 3.7
Expert Scouting.png Scouting 3.6 5.1 2.2 3.4 4.1 3.3
Expert Sorcery.png Sorcery 4.2 1.9 6.4 3.9 3.9 4.8
Expert Tactics.png Tactics 4.1 6.1 2.1 3.1 4.6 4.4
Expert Water Magic.png Water Magic 2.7 1.8 3.6 3.1 3.2 1.7
Expert Wisdom.png Wisdom 5.3 3.0 7.6 5.7 4.3 6.1