Rabu, 10 Agustus 2016

Upgrading abilities

Ability levels for most heroes
Ability level Hero level for
Regular Ability 		Hero level for
Ultimate*
1 1 6
2 3 11
3 5 16
4 7 -
5 9 -
6 11 -
7 13 -
* Meepo can upgrade his ultimate on levels 3/10/17
Every time a Hero levels up, they earn an ability point which they can use to upgrade any of their abilities, learn a new ability, or used to upgrade their Attribute Bonus icon.png Attribute Bonus​ . At the start of the game, Heroes know none of their abilities, but are given a free ability point to learn one. Abilities cannot be used and do not have any effect if they have not been learned. After an ability is learned, it can be upgraded several times. Basic abilities can be upgraded 3 more times, for a total of 4 levels, and a Hero's ultimate ability can be upgraded 2 times, for a total of 3 levels.
The exception to this is Invoker, who can upgrade his basic abilities 6 times (total of 7 levels) and his ultimate 3 times (total of 4 levels). Additionally, he could only upgrade his Attribute Bonus icon.png Attribute Bonus​ once at level 25, which gives him triple the amount of stat bonuses than other heroes.
Upgrading abilities will make them more powerful or capable of doing more powerful things. Sometimes, upgrading abilities will also increase their mana cost. For example, each level in Earthshaker's Fissure icon.png Fissure​ increases the damage it deals and the duration of its stun, but also increases its mana cost. Besides directly leveling abilities, there are a few other ways to make abilities more powerful. The Aghanim's Scepter icon.png Aghanim's Scepter, for example has the ability to enhance the power of many ultimates and some basic abilities, causing them to apply extra effects or simply upgrade their powers. In some cases, Aghanim's Scepter even grants entire new abilities or enhances the hero in general. Some heroes also have an ability which mainly upgrades their other abilities further. For example, Ogre Magi's Multicast icon.png Multicast​ makes his other 3 abilities more powerful.

Basic abilities

Basic Abilities can be upgraded to a new level once every 2 levels. This means that a level 2 Hero cannot upgrade a learned ability to level 2. The same requirement applies to the Attribute Bonus icon.png Attribute Bonus​ . Every 2 levels, a Hero increases his maximum ability level by 1. Ultimate abilities can only be upgraded every 5 levels, starting from level 6. These abilities are usually more powerful than a Hero's basic abilities.

Ultimates

A Hero's last ability, which can usually be trained at level 6, level 11, and level 16, is called an Ultimate. There is only one exception to this level restriction: Meepo's Divided We Stand icon.png Divided We Stand​, which can instead be upgraded at levels 3, 10, and 17.
Ultimates can be high-impact abilities that define a Hero's strengths and playstyle, they often have a devastating effect and a long cooldown. In some cases however, they are not the main strength, but just synergise very well when combined with the other abilities. Some Ultimates have a lower effect but are spammable due to a relatively short cooldown. Ultimate abilities can also be passive abilities.
Ultimates, unlike normal abilities, are usually able to target a unit under a spell immunity effect, such as Black King Bar. They will rarely damage such a unit, but other effects such as slows or stun will usually apply. This makes ultimates, especially those with stun effects, incredibly powerful, since enemy Heroes cannot block the effects.

Sub-abilities

Many abilities come together with sub-abilities. These extra abilities usually do nothing on their own and mostly are only active after the spell they come with were cast first, or in some cases, they serve as a set-up for other spells. Their tasks range from activating the effects of another abilities on demand, manipulate abilities or even fully cancel them when desired. Usually, these abilities are innate, or are unlocked after learning specific spells. Since these abilities usually have a very low or no cooldown at all, they usually do not trigger abilities which react on ability usage, like Magic Wand's charge gain or the canceling of Arcane Curse.

Charge based abilities

Main Article: Charge based abilities
Some abilities (basic and ultimate abilities) do not use the cooldown system, but instead have a number of charges and no cooldown. Each cast of such spell consumes one of its charges, which then replenishes over time.

Ability types

An ability's type refers to how that ability's effects are applied.
For abilities listed by their ability and targeting type, see here.

Active

Active
Active abilities must be used in order to apply their effects. Active abilities can consume mana, have cooldowns, and usually have some method of targeting related to them. The majority of abilities are active abilities. They can be activated by pressing their associated hotkey. If an ability can target the caster, double tapping the hotkey causes them to activate immediately on the caster.
Active abilities are indicated by a bevel around the icon, which makes them look like a button. When an ability gets used and enters its cast animation, the bevel turns green and the icon shifts, looking like a pressed button. When selecting a targeted ability, the icon and the level appear brighter until the ability gets deselected or the cast begins. Active abilities also have a hotkey displayed at the top left corner.

Passive

Passive
Passive abilities apply their effects either permanently as soon as they are learned, or activate by themselves if the ability is learned and its requirements met. These requirements can range from attacking a unit, casting a spell or even getting attacked. Most passive abilities do not consume mana and usually don't have Cooldowns, exceptions include Wraith King's Reincarnation icon.png Reincarnation​. Most Heroes have at least one passive ability, though not all do.
Passive abilities do not have a bevel and look like they are pressed into the hud. Since passive abilities cannot be used manually, their appearance never changes. Passive abilities only have an icon displayed upon learning.

Autocast

Autocast
Autocast abilities are special active abilities that can be toggled on or off, or manually cast. However, autocast abilities cannot be used when silenced as with all other spells. Most auto-castable spells are active attack modifiers, applying a modification to the user's attacks when activated. When toggled on, the ability will apply when it can. For example, Drow Ranger's Frost Arrows icon.png Frost Arrows​ will be used whenever she attacks a target. When toggled off, they will not be used and will not consume mana. When an active attack modifier is manually cast, it is partially treated as a spell cast, instead as an attack. This causes nearby enemy creeps to not aggro when using them that way. This is also known as orb-walking.
Not all abilities with autocast are attack modifiers. A few of them are regular abilities, which, when toggled on, will automatically cast when their requirements are met. An example of such is Ogre Magi's Bloodlust icon.png Bloodlust​. When toggled on, Ogre Magi will automatically cast Bloodlust on an attacking allied hero.
Auto-castable abilities have almost the same appearance as regular active abilities. They also have a bevel which turns white when selected and green when casting. However, they do not turn green for attack modifiers. On top of that, they have a thicker second bevel behind the first bevel. This one glows orange when the ability gets set on autocast.
These are the only auto-castable active attack modifiers:
And these are the only auto-castable active abilities:

Targeting Types

Active abilities and autocast abilities are targeted in different ways, depending on the effects of the ability.

No Target

Abilities with the no target requirement are immediately cast as soon as its button is pressed. Many of these abilities do not have a cast time. They cannot directly target a unit or a point. They usually affect the caster, or units around the caster. They can affect an area around the caster, or have a global effect.

Toggle

Toggle abilities are always non-targetable. These abilities apply a periodic effect and also commonly drain mana as long as they are toggled on. These effects can range from damaging or healing nearby allies, to switch between attack types and to manipulate other abilities of the unit. If the toggle ability drains mana over time, it turns itself off once not having mana to support it anymore. They cannot be forcibly turned off by anyone but the player by pressing their button again, or by dying. Like regular spells, they cannot be used (in this case, turned on or off) while affected disables which prevent ability usage. However, once they are toggled on, they persist through any form of disable, including silence.

Target Point

Indicator of area target spells
Point target abilities require the caster to target a point or an area. Upon pressing such spell's button, the cursor turns into a crosshair that determines where the ability will be cast, or in which direction it will be cast. Point targeting abilities can have very varying effects. For some spells, it merely determines the direction to launch an effect, for other spells it determines an exact point where an effect will be applied.

Target Area

Area target abilities work like point target abilities, with the only difference being that they require the caster to target a whole area, instead of a point. Upon pressing such spell's button, the cursor turns into a targeted area indicator which shows the area the ability will effect. Upon cast, these abilities usually affect the whole targeted area, or all units in the area. Some apply their effects once upon cast, some apply a lasting effect which affects units which enter the area after cast.

Target Unit

Unit target abilities require the caster to directly target a unit, and cannot be used on the ground. Upon pressing such spell's button, the cursor turns into a crosshair that determines on which unit the ability will be cast. Most unit targeted abilities affect only the target. Abilities that apply their effect to a single unit are often called "single target spells". When targeting a unit which is out of cast range, the caster will follow the unit, until it gets in cast range or can't be targeted anymore (e.g. the target turns invisible).

Combinations

Indicator of unit target spells with area effect
Some of the targeting types can appear combined.

Target point or unit

Some point targeted abilities may also be able to directly target a unit. In such cases, the spell is cast towards the targeted unit's current location. If the target unit is out of cast range, the cast follows it until it is within range and casts the spell on the unit's position. Even when the target moves during the cast animation, the spell is still cast on it, or launched towards it if it is a traveling effect. This does not cause the spell's actual effects to home the target.

Target unit with area effect

  • A few singlet-target abilities have an effect which affects an area around the primary target. Like unit targeted abilities, these must be directly cast on units, and cannot be cast freely on any area. Such abilities have their own targeting cursor, which resembles the targeting cursor or ground targeted area spells. They have the same blue ring like area targeted spells, and have pulsing gapped rings which start at the center and move outwards. At the center, they have a small yellow reticule, indicating that a unit must be targeted.

Cast event

A few number of spells react on abilities being cast, means they trigger certain effects when affected units cast abilities. Abilities reacting on spell casts are:
For balance reasons, the following abilities do not trigger any on-cast event:
There are a few sub-abilities and one active attack modifier which do trigger on-cast events. Whether they are intended to do so or not is unknown. This includes the following:
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