Necromancy: Difference between revisions

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{{Secondary skills}}
{{Secondary skills}}
{{Secondary skill
{{Secondary skill
  | B_effect = Creature Gathering, Necropolis only, allows 10% of the creatures killed in combat to be brought back from the dead as [[skeleton]]s.
  | B_effect = 10% of enemy creatures killed are [[Animate Dead|resurrected]] (5% in [[HotA]]){{-wh}}.
  | A_effect = Creature Gathering, Necropolis only, allows 20% of the creatures killed in combat to be brought back from the dead as [[skeleton]]s.
  | A_effect = 20% of enemy creatures killed are [[Animate Dead|resurrected]] (10% in [[HotA]]){{-wh}}.
  | E_effect = Creature Gathering, Necropolis only, allows 30% of the creatures killed in combat to be brought back from the dead as [[skeleton]]s.
  | E_effect = 30% of enemy creatures killed are [[Animate Dead|resurrected]] (15% in [[HotA]]){{-wh}}.
}} '''Necromancy''' is a [[secondary skill]] that allows hero to bring back creatures killed in combat as [[Skeleton]]s. Typically all [[Death Knight]]s and [[Necromancer]]s start with Necromancy skill, and no other hero class may learn it during level up nor can it be learned from [[University]]. In fact, non-necropolis heroes can only learn Necromancy from [[Witch Hut]] or [[Scholar]], and only if map maker has specifically allowed it. Additionally, Necromancy can be learned from a special [[event]] on [[Adventure Map]].
}} '''Necromancy''' is a [[secondary skill]] that enables the hero to raise killed enemy creatures as [[Skeleton and Skeleton Warrior|Skeletons (or Skeleton Warriors)]]. All [[Death Knight]]s and [[Necromancer]]s start with basic Necromancy skill, except [[Isra]] the [[Death Knight]] and [[Vidomina]] the [[Necromancer]], who both start with advanced Necromancy. Other hero classes cannot learn Necromancy, but they can acquire it from [[Scholar (Adventure Map)|Scholar]]s, [[Pandora's Box]]es, [[Seer's Hut]]s, [[Event]]s or [[Witch Hut]]s (unavailable by default).


[[Isra]] the [[Death Knight]] and [[Vidomina]] the [[Necromancer]] [[Hero specialty|specialize] in Necromancy, which gives them 5% addition to the skill for every experience level. See [[hero specialty]] for furtherh information.
'''Bug:''' AI heroes always raise exactly 1 Skeleton (or Lich), even if it should've raised 100% of the creatures slain. In {{hota}}{{-wh}}, this bug was fixed but another bug appeared: AI somehow raises more Skeletons than it should be.


'''Heroes with Necromancy as a starting skill:'''


'''Recommended for:''' N/A. Heroes either start with this skill, or are typically unable to learn it.
* [[File:Death Knight portrait.gif]] All [[Death Knight]]s
* [[File: Necromancer portrait.gif]] All [[Necromancer]]s


On many maps, especially XL maps with droves of low-level creatures, Necromancy is considered overpowered by tournament players, and its use is therefore frequently banned from competitive play.
'''Heroes with Necromancy as a specialty and a starting skill:'''
* {{H2|Isra|Death Knight}} (Advanced Necromancy)
* {{H2|Vidomina|Necromancer}} (Advanced Necromancy)


==Description==
'''Skill-affecting factors:'''
* {{an|Amulet of the Undertaker}} – artifact increases Necromancy skill +5 %. (2,5 % in [[HotA]]){{-wh}}
* {{an|Vampire's Cowl}} – artifact increases Necromancy skill +10 %. (5 % in [[HotA]]){{-wh}}
* {{an|Dead Man's Boots}} – artifact increases Necromancy skill +15 %. (7,5 % in [[HotA]]){{-wh}}
* [[Necromancy Amplifier]] – structure increases Necromancy skill +10 %.  (bonus stacks if you have multiple towns with this building) (5 % in [[HotA]]){{-wh}}
* [[Soul prison]] – [[Necropolis]] [[grail]] structure, which increases Necromancy skill +20 %  (bonus stacks if you have multiple towns with this building via [[Map Editor]])


All enemy creatures that are displayed after battle as casualties can be raised as skeletons, even if this includes [[sacrifice]]d creatures, [[clone]]d creatures, summoned [[elemental]]s or [[war machines]](!).
Additionally, with [[Cloak of the Undead King]], it is possible to raise other undead creatures instead of Skeletons. However, the cloak does not affect the skill percentages.


When a victorious army contains [[Skeleton Warrior]]s but no [[Skeleton]]s, and no empty army slot is available, Skeleton Warriors will be raised instead of Skeletons, but only 2/3 of the usual number.
== {{hota}} ==
In {{hota}}, the skill percentages are decreased to 5%, 10% and 15%.{{-wh}}


==Heroes with a specialty in this skill==
== How it works ==
All killed '''enemy''' creatures can be raised as skeletons. This includes [[sacrifice]]d creatures, [[clone]]d creatures, summoned [[elemental]]s and even [[war machines]]. If the victorious hero's army has no empty slots available and no [[Skeleton]]s, but includes [[Skeleton Warrior]]s, the killed enemy creatures will be raised as Skeleton Warriors, but only 66.6% compared to Skeletons. If there are no available slots and no skeletons (either kind) in the army, none of the killed enemy creatures are raised.


==Artifacts affecting this skill==
The number of skeletons brought back at the end of the combat depends on three main factors:
*[[Amulet of the Undertaker]] (Neck). Gives +5% Necromancy to a hero's Necromancy skill.
# Number of creatures in killed stacks
*[[Vampire's Cowl]]  (Shoulders). Gives +10% Necromancy to a hero's Necromancy skill.
# Amount of health of killed stacks
*[[Dead Man's Boots]] (Feet). Gives +15% Necromancy to a hero's Necromancy skill.
# Level of Necromancy skill
*[[Cloak of the Undead King]] (Shoulders, combination artifact assembled from the other three Necromancy artifacts). Heroes without Necromancy can raise [[Skeleton]]s as if they have learnt Expert Necromancy. Heroes with Necromancy receive +30% to their total Necromancy percentage on top of the +30% Necromancy provided by the individual artifacts, and can raise [[Walking Dead]], [[Wight]]s and [[Lich]]es at, respectively, Basic, Advanced and Expert Necromancy. ''Note: Available only in the'' [[Shadow of Death]] ''expansion''.


==Buildings affecting this skill==
First, the total number of raised Skeletons can never exceed the number of creatures slain in combat. Second, the total health of raised Skeletons can never exceed the total health of killed creatures. Third, the level of Necromancy skill used in calculations can never be more than 100%, although it is technically possible for a hero to have Necromancy skill above 100%. These rules in {{sod}} are applied to every killed stack individually (in {{hota}}{{-wh}} the amount of creatures raised is calculated by the overall number of killed creatures), and always rounded towards 1.
*[[Necromancy Amplifier]]
*[[Soul prison]]


==In-depth==
The health of the enemy creature killed affects the efficiency that it is revived as per table:


The exact number of skeletons raised depends on a hero’s total Necromancy percentage. This is calculated by summing all the Necromancy percentages as provided by a hero's Necromancy skill ''prior to'' combat (including any Necromancy [[specialty]]), Necromancy artifacts, [[Necromancy amplifier]]s and the [[Soul Prison]]. Thus, a level 10 [[Isra]] with Advanced Necromancy, the [[Amulet of the Undertaker]], two [[Necromancy Amplifier]]s and a [[Soul Prison]] has a total Necromancy percentage of (10 × 0.05 × 20% + 20%) + 5% + 2 × 10% + 20% = 75%. The maximum percentage is 100%.
1 hp = 16.6% efficiency<br>
2 hp = 33.3%<br>
3 hp = 50% efficiency<br>
4 hp = 66.6% efficiency<br>
5 hp = 83.3% efficiency<br>
6 hp or higher = 100% efficiency<br>


The number of raised skeletons is ''separately'' calculated for each enemy stack and is not affected by whether either a victorious or a defeated hero had any health artifacts such as the [[Vial of Lifeblood]] equipped:
So a hero with 50% necromancy, who killed 100 creatures with 6 hp or higher, will obtain 50 skeletons, whereas if he were to kill 100 peasants (who have only 1 hp), only 8 skeletons would be obtained. This can be also interpreted as the hero being able to revive only 50 HP total (8 skeletons have 48 HP).
*If an enemy stack consisted of creatures with 6 [[health]] or more, the number of raised skeletons from that stack is equal to the ''number of creatures'' killed multiplied by a hero’s total Necromancy percentage.  
*If an enemy stack consisted of creatures with less than 6 [[health]], the number of skeletons raised from that stack is equal to the ''total number of health points'' of the killed creatures multiplied by a hero’s total Necromancy percentage.
The total number of skeletons raised equals the sum of the number of skeletons raised from each separate stack.


To illustrate, a hero with 35% Necromancy will raise 5 Skeletons if she defeats an enemy hero who has fled after losing one stack of 8 [[Stone Gargoyle]]s, one stack of 1 [[Gremlin]], and 15 Gremlins from one stack of 20 Gremlins. That is, 35% of 8 Stone Gargoyles is enough for 2 skeletons, the stack of 1 Gremlin consists of too few hitpoints to raise a skeleton from, and the 15 Gremlins that were killed provide 60 health, of which 35% (i.e., 21 health) can be raised into 3 skeletons. The total number of skeletons raised is therefore 2 + 0 + 3 = 5.
Additionally, with [[Cloak of the Undead King]], the same rules apply to [[Walking Dead]], [[Wight]]s and [[Lich]]es. As they have more health, less is raised. And if a hero only has upgraded versions in the army and no free slots, the "two thirds rule" is applied (the health difference between basic and upgraded creatures does not play any role in this case).


Finally, when having killed at least one enemy creature, even if it is just a [[Peasant]], victorious heroes with Necromancy will always raise at least one skeleton, regardless of their total Necromancy percentage.
== Chance to get ==
{{Secondary skill chance explanation}}
{{ZET SEC SKILL CHANCE TABLE| 0| 0| 0| 0| 0| 0| 0| 0|10|10| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0}}


== Operating principle ==
{{user commentary|
Necromancy is the basis of [[Necropolis]] faction. By default there cannot be a Necropolis hero without this skill and the chance of upgrading this skill is also very high, so if a very important basic skill like [[Wisdom]] or [[Earth Magic]] is offered together with improving Necromancy, ignore Necromancy. You will get it sooner or later.
 
For heroes from other towns, the Necromancy skill is undesirable as Skeletons are weak, slow and will spoil [[morale]].
 
Necropolis and Necromancy are often considered to be overpowered, and therefore frequently banned in multiplayer games (and tournaments).
}}{{end of user commentary}}
 
{{secondary skill 'see also'|top=* [http://heroescommunity.com/viewthread.php3?FID=6&TID=11784 ''How does the necromancy skill work exactly?''] Heroes Community thread started by angelito.}}


[[Category: Secondary skills]]
[[Category: Secondary skills]]
__NOTOC__

Latest revision as of 17:51, 9 January 2024

Secondary skills
 Air Magic
 Archery
 Armorer
 Artillery
 Ballistics
 Diplomacy
 Eagle Eye
 Earth Magic
 Estates
 Fire Magic
 First Aid
 Intelligence
 Interference Horn of the Abyss
 Leadership
 Learning
 Logistics
 Luck
 Mysticism
 Navigation
 Necromancy
 Offense
 Pathfinding
 Resistance
 Scholar
 Scouting
 Sorcery
 Tactics
 Water Magic
 Wisdom
Necromancy
Basic Necromancy: 10% of enemy creatures killed are resurrected (5% in HotAHorn of the Abyss.
Advanced Necromancy: 20% of enemy creatures killed are resurrected (10% in HotAHorn of the Abyss.
Expert Necromancy: 30% of enemy creatures killed are resurrected (15% in HotAHorn of the Abyss.

Necromancy is a secondary skill that enables the hero to raise killed enemy creatures as Skeletons (or Skeleton Warriors). All Death Knights and Necromancers start with basic Necromancy skill, except Isra the Death Knight and Vidomina the Necromancer, who both start with advanced Necromancy. Other hero classes cannot learn Necromancy, but they can acquire it from Scholars, Pandora's Boxes, Seer's Huts, Events or Witch Huts (unavailable by default).

Bug: AI heroes always raise exactly 1 Skeleton (or Lich), even if it should've raised 100% of the creatures slain. In Horn of the Abyss Horn of the Abyss, this bug was fixed but another bug appeared: AI somehow raises more Skeletons than it should be.

Heroes with Necromancy as a starting skill:

Heroes with Necromancy as a specialty and a starting skill:

Skill-affecting factors:

Additionally, with Cloak of the Undead King, it is possible to raise other undead creatures instead of Skeletons. However, the cloak does not affect the skill percentages.

Horn of the Abyss[edit]

In Horn of the Abyss, the skill percentages are decreased to 5%, 10% and 15%. Horn of the Abyss

How it works[edit]

All killed enemy creatures can be raised as skeletons. This includes sacrificed creatures, cloned creatures, summoned elementals and even war machines. If the victorious hero's army has no empty slots available and no Skeletons, but includes Skeleton Warriors, the killed enemy creatures will be raised as Skeleton Warriors, but only 66.6% compared to Skeletons. If there are no available slots and no skeletons (either kind) in the army, none of the killed enemy creatures are raised.

The number of skeletons brought back at the end of the combat depends on three main factors:

  1. Number of creatures in killed stacks
  2. Amount of health of killed stacks
  3. Level of Necromancy skill

First, the total number of raised Skeletons can never exceed the number of creatures slain in combat. Second, the total health of raised Skeletons can never exceed the total health of killed creatures. Third, the level of Necromancy skill used in calculations can never be more than 100%, although it is technically possible for a hero to have Necromancy skill above 100%. These rules in Shadow of Death are applied to every killed stack individually (in Horn of the Abyss Horn of the Abyss the amount of creatures raised is calculated by the overall number of killed creatures), and always rounded towards 1.

The health of the enemy creature killed affects the efficiency that it is revived as per table:

1 hp = 16.6% efficiency
2 hp = 33.3%
3 hp = 50% efficiency
4 hp = 66.6% efficiency
5 hp = 83.3% efficiency
6 hp or higher = 100% efficiency

So a hero with 50% necromancy, who killed 100 creatures with 6 hp or higher, will obtain 50 skeletons, whereas if he were to kill 100 peasants (who have only 1 hp), only 8 skeletons would be obtained. This can be also interpreted as the hero being able to revive only 50 HP total (8 skeletons have 48 HP).

Additionally, with Cloak of the Undead King, the same rules apply to Walking Dead, Wights and Liches. As they have more health, less is raised. And if a hero only has upgraded versions in the army and no free slots, the "two thirds rule" is applied (the health difference between basic and upgraded creatures does not play any role in this case).

Chance to get[edit]

Out of total 112 for Shadow of Death, and of (112 + Interference chance) for Horn of the Abyss Horn of the Abyss.
Banned skills change the probability.

Town Class Chance to learn
Castle  Knight   0
Castle  Cleric   0
Rampart  Ranger   0
Rampart  Druid   0
Tower  Alchemist   0
Tower  Wizard   0
Inferno  Demoniac   0
Inferno  Heretic   0
Necropolis  Death Knight  10
Necropolis  Necromancer  10
Dungeon  Overlord   0
Dungeon  Warlock   0
Stronghold  Barbarian   0
Stronghold  Battle Mage   0
Fortress  Beastmaster   0
Fortress  Witch   0
Conflux  Planeswalker   0
Conflux  Elementalist   0
Cove  Captain   0
Cove  Navigator   0
Factory  Mercenary   0
Factory  Artificer   0


User commentary

[Show user commentary]
[Hide user commentary]
Some may find the information in this section subjective or irrelevant.

Necromancy is the basis of Necropolis faction. By default there cannot be a Necropolis hero without this skill and the chance of upgrading this skill is also very high, so if a very important basic skill like Wisdom or Earth Magic is offered together with improving Necromancy, ignore Necromancy. You will get it sooner or later.

For heroes from other towns, the Necromancy skill is undesirable as Skeletons are weak, slow and will spoil morale.

Necropolis and Necromancy are often considered to be overpowered, and therefore frequently banned in multiplayer games (and tournaments).


See also: