Skill
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Skill points
Each class also has three of their own skill trees, each containing 10 skills: these skills can be learnt and then used by investing skill points. Characters receive one skill point each time they gain a character level, and skill points can also be awarded once in each difficulty level for completing the following quests:
Act | Quest | Giver | Point(s) |
---|---|---|---|
1 | Den of Evil | Akara | +1 |
2 | Radament's Lair | Template:D2 Unique bold dropped by [[D2 Radament|Template:D2 Unique bold]] | +1 |
4 | The Fallen Angel | Tyrael | +2 |
A maximum of 20 points can be invested in each skill. Points can only be invested in a skill if points have been invested in its prerequisite skills and if the sum of required skill level and points already invested is less than or equal to character level: while some skills are available at level 1, others only become available at levels 6, 12, 18, 24 and 30. For example, an Amazon cannot invest a point in Freezing Arrow until she is level 30 and she has invested points in its prerequisite skills Cold Arrow and Ice Arrow, and she may not invest another point until she is level 31.
Respecialisation
Skill (and stat) points can be reset as a reward from Akara for completing the Den of Evil quest in Act 1 once in each difficulty level. Characters who completed this quest in all difficulty levels before 1.13 will only receive this reward in Hell.
Skill (and stat) points can also be reset by transmuting all four of the following items in the Template:D2 Unique bold to create a Template:D2 Crafted bold, then using that token:
Item | Source |
---|---|
Template:D2 Crafted | [[D2 Andariel|Template:D2 Unique]] |
[[D2 Duriel|Template:D2 Unique]] | |
Template:D2 Crafted | [[D2 Mephisto|Template:D2 Unique]] |
Template:D2 Crafted | [[D2 Diablo|Template:D2 Unique]] |
Template:D2 Crafted | [[D2 Baal|Template:D2 Unique]] |
- Buffs and debuffs active at the time of the reset will remain active until they expire.
- Native Offensive Auras and Defensive Auras active at the time of the reset will no longer be applied but their graphic will still be displayed, as will their former effects in the character screen. However, this display error stops upon exiting the game and everything returns to normal at the start of the next game.
Skill bonuses
Although characters can only invest 20 points in each skill, their level can be increased further by applying various skill bonuses:
- Individual skills (class-specific and Oskills, allow skills to be used without investing points if character level >= required level)
- Individual skill trees (class-specific)
- Individual class skill levels (class-specific)
- Fire Skills
- All Skills
Type
Active skill
Active skills require an action to be taken to use them. All active skills require mana to use, with the exception of the common skills mentioned earlier, Sacrifice, level >12 Magic Arrow and level >8 Double Swing. Skill icons are red if they cannot be used, either due to lack of mana or a required item, an active Delay or because it cannot be used in town.
Buff
Buffs are active skills which apply a positive effect to the user or to the user and their allies for a duration after being used.
User only
Amazon | Assassin | Barbarian | Druid | Necromancer | Paladin | Sorceress |
---|---|---|---|---|---|---|
User and allies
Amazon | Assassin | Barbarian | Druid | Necromancer | Paladin | Sorceress |
---|---|---|---|---|---|---|
Debuff
Debuffs are active skills which apply a negative effect to the user's enemies for a duration after being used.
Amazon | Assassin | Barbarian | Druid | Necromancer | Paladin | Sorceress |
---|---|---|---|---|---|---|
- Berserk is the only skill to apply a debuff to the user.
Passive skill
Passive skills require no action to apply their bonuses. Passive skills don't require mana to use, and only apply to the user or pet. Passive bonuses are based on both skill points invested and skill bonuses applied.
Amazon | Assassin | Barbarian | Druid | Necromancer | Paladin | Sorceress |
---|---|---|---|---|---|---|
Some active skills also apply passive bonuses: Summon Spirit Wolf, Summon Dire Wolf and Summon Grizzly all apply passive bonuses to each other.
Synergy skill
Synergy skills apply benefits to other skills based on the number of points invested in the synergy skill. Skill bonuses do not increase synergy bonuses. Most synergy bonuses are mentioned in the skill description, but the following skills also apply hidden bonuses based on the number of points invested in them:
Aura
Offensive Auras and Defensive Auras apply positive passive bonuses to the user or to the user and any allies, or negative passive bonuses to any enemies within their radius of effect, as long as the aura is selected on the right mouse button. Auras do not cost mana, with the exception of Prayer.
Oak Sage, Heart of Wolverine and Spirit of Barbs supply auras applying positive passive bonuses to the user and any allies within their radius of effect once summoned.
Using other class skills
Each class can gain access to the skills of another by equipping certain items with the following:
Certain missile weapons with Fires Magic Arrows and Fires Explosive Arrows or Bolts fire those arrows when Normal Attack is used. When a Rogue Scout hireling uses Fires Explosive Arrows or Bolts missile weapons the explosions may be displayed but they apply no damage.
Delay
Some skills apply a delay when used: while the delay is active neither that skill nor any other skill with a delay can be used. Nothing reduces the length of these delays but, since they begin at the action flag (the frame in the attack or casting animation in which the action is actually executed), increasing attack or cast rate will slightly reduce the interval between actions since the action flag will occur earlier in the animation: interval = action flag + delay.
Class | Skill | Delay (Seconds) |
---|---|---|
Amazon | Poison Javelin | 0.6 |
Plague Javelin | 4 | |
Immolation Arrow | 1 | |
Valkyrie | 6 | |
Assassin | Shock Web | 0.6 |
Blade Sentinel | 2 | |
Shadow Warrior | 6 | |
Dragon Flight | 1 | |
Shadow Master | 6 | |
Druid | Werewolf | 1 |
Firestorm | 0.6 | |
Werebear | 1 | |
Molten Boulder | 2 | |
Fissure | 2 | |
Volcano | 4 | |
Armageddon | 6 | |
Hurricane | 6 | |
Paladin | Fist of the Heavens | 1 |
Sorceress | Fire Wall | 1.4 |
Meteor | 1.2 | |
Hydra | 1.6 | |
Frozen Orb | 1 |
The only exception is when skills with delays are cast by % Chance to Cast items: multiple skills with delays can be cast. [1] However, while the skill delays are not applied, an 11 frame delay is applied from the action flag: during this delay no active skills can be used, although Scrolls of Identify and Town Portal placed in the belt can be used. [2] [3]
This 11 frame delay does not interrupt an attack sequence if % Chance to Cast is applied during that sequence. The delay can be applied from the action flag of any individual attack in the sequence, so if it is applied by an attack early in the sequence then the delay may end before that sequence ends. If multiple attacks in a sequence apply % Chance to Cast, the delay is applied from the last attack in the sequence to apply it. [4]
References
- Basic Skill Information (Arreat Summit)
- Casting Delays (Arreat Summit)
- Nefarius, Skills.txt File Guide (Phrozen Keep)
- Onderduiker, % Chance to Cast and Curses Tests (Technical Discussion)