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# 持續傷害
**持續傷害** (俗稱**DoT**)是一段時間內持續造成的傷害，不像其他三種[傷害來源](Damage)，持續傷害並無法[[hit]]。

## 機制
All damage over time effects are a kind of debuff. A creature can have multiple applications of these debuffs of the same type but usually only the one with the highest damage per second works at any given time (except for [[poison]] where all applications stack cumulatively); this is true even in the case of effects applied by different players or sources.

For example, if two players each apply the [[ignite]] status [[ailment]] to the same target, only the higher damage per second of the two ignites will affect the target, at least until the higher fades and leaves the second ignite to become the new highest. In this context, two damage over time effects are to be considered the same only if they have the same name; a target may be affected by multiple effects that deal [[burning]] damage (such as [[Righteous Fire]], ignite and burning ground).

### 擊殺時效果
In case of an enemy being [[kill]]ed by damage over time while being affected by multiple DoT effects, the kill is attributed to the owner of the effect that was inflicted first.

Damage over time kills from non-character sources like minions and totems will give the kill and any on kill effects to the owner of the totem or minion. This is a limitation of the game and not an intended game mechanic.

### 傷害詞綴
The following [[modifiers]] will directly affect the damage over time; note that some of these modifiers apply only to the DoTs whereas some may also apply to the skill that triggered it:

- 持續傷害
- 傷害
- 傷害類型傷害(如物理傷害或冰冷傷害)
- 效果傷害 (如中毒傷害或點燃傷害)
- 陷阱傷害若透過陷阱作用
- 地雷傷害若透過地雷作用
- 圖騰傷害若透過圖騰作用
- 召喚物傷害若透過召喚物作用

Natively modifiers to [[attack]] damage (i.e. weapon damage, melee damage, etc.) and [[spell]] damage do not apply to damage over time effects unless specifically stated so, as observed on skills like [[Contagion]], [[Essence Drain]] or [[Vortex]].

[[Damage conversion]] does not apply to damage over time. Flat damage from things like [[Added Chaos Damage Support]] does not apply to damage over time.

Modifiers that increase damage over time will not affect the damage a character deals to himself with skills like [[Blood Rage]] or [[Righteous Fire]], as that particular effect is considered a part of the buff and not a part of player's damage output. However, modifiers that increase/reduce [[damage taken]] will affect it.

### 持續時間
Tampering with the [[duration]] of a damage over time effect will affect the total amount of damage dealt by it but not its damage per second. The exception to this is the Ignited Enemies Burn faster modifier (as seen on [[Dyadian Dawn]] and [[The Goddess Scorned]]), which will 'speed up' ignites inflicted by the player, increasing their damage per second at the cost of duration, leaving the total amount of damage unchanged.

Conditional modifiers
There are modifiers that can apply their effects only when a certain condition is met. Modifiers that are conditional on properties of the target do not affect damage over time because only hits are able to check someone else properties.

Some examples:

- more Damage against Chilled Enemies from [[Hypothermia Support]]

- increased Damage against Hindered Enemies from [[Singularity]]

### Graphic Clarification
Visual clarification by Mark (a developer at GGG) for the changes coming with 3.0.

https://www.pathofexile.com/forum/view-thread/1897612/page/4#p14474050

### Math
Modifiers that say increased damage over time multiplier are not additive with increased damage over time modifiers that do no include the word "multiplier".

### Interactions
- "% Chance to deal [[double damage]]" will not affect damage over time, because it does not hit.
- Most damage over time [[snapshot]]s.

## 常見的持續傷害效果比較

<table height="300px">
 <thead>
 <tr>
 <th>名稱</th>
 <th>造成擊中傷害的每秒傷害</th>
 <th>預設持續時間</th>
 <th>每層造成的總傷害</th>
 <th>最大層數</th>
 <th>最大層數的每秒傷害</th>
 <th>最大層數的總傷害</th>
 <th>預設持續傷害類型</th>
 </tr>
 </thead>
 <tbody>
 <tr>
 <td style="vertical-align: middle">[[流血]]</td>
 <td style="vertical-align: middle">70% 物理</td>
 <td style="vertical-align: middle">5 秒</td>
 <td style="vertical-align: middle">350%</td>
 <td style="vertical-align: middle">1</td>
 <td style="vertical-align: middle">70%</td>
 <td style="vertical-align: middle">350%</td>
 <td style="vertical-align: middle">物理</td>
 </tr>
 <td style="vertical-align: middle">流血，目標移動</td>
 <td style="vertical-align: middle">210% 物理</td>
 <td style="vertical-align: middle">5 秒</td>
 <td style="vertical-align: middle">1050%</td>
 <td style="vertical-align: middle">1</td>
 <td style="vertical-align: middle">210%</td>
 <td style="vertical-align: middle">1050%</td>
 <td style="vertical-align: middle">物理</td>
 </tr>
 <tr>
 <td style="vertical-align: middle">流血，[[Crimson Dance]]</td>
 <td style="vertical-align: middle">35%物理</td>
 <td style="vertical-align: middle">5 秒</td>
 <td style="vertical-align: middle">175%</td>
 <td style="vertical-align: middle">8</td>
 <td style="vertical-align: middle">280%</td>
 <td style="vertical-align: middle">1400%</td>
 <td style="vertical-align: middle">物理</td>
 </tr>
 <tr>
 <td style="vertical-align: middle">[[Ignite]]</td>
 <td style="vertical-align: middle">50% 火焰</td>
 <td style="vertical-align: middle">4 秒</td>
 <td style="vertical-align: middle">200%</td>
 <td style="vertical-align: middle">1</td>
 <td style="vertical-align: middle">50%</td>
 <td style="vertical-align: middle">200%</td>
 <td style="vertical-align: middle">火焰</td>
 </tr>
 <tr>
 <td style="vertical-align: middle">點燃，1 x [[Emberwake]]</td>
 <td style="vertical-align: middle">30.30%–33.3% 火焰</td>
 <td style="vertical-align: middle">6–6.6 秒</td>
 <td style="vertical-align: middle">200%</td>
 <td style="vertical-align: middle">2</td>
 <td style="vertical-align: middle">60.6%–66.7%</td>
 <td style="vertical-align: middle">400%</td>
 <td style="vertical-align: middle">火焰</td>
 </tr>
 <tr>
 <td style="vertical-align: middle">點燃，2 x [[Emberwake]]</td>
 <td style="vertical-align: middle">21.7%–25% 火焰</td>
 <td style="vertical-align: middle">8–9.2 秒</td>
 <td style="vertical-align: middle">200%</td>
 <td style="vertical-align: middle">3</td>
 <td style="vertical-align: middle">65.2–75%</td>
 <td style="vertical-align: middle">600%</td>
 <td style="vertical-align: middle">火焰</td>
 </tr>
 <tr>
 <td style="vertical-align: middle">點燃，1 x [[Replica Emberwake]]</td>
 <td style="vertical-align: middle">67.5%–72.5% 火焰</td>
 <td style="vertical-align: middle">2.7–2.9 秒</td>
 <td style="vertical-align: middle">200%</td>
 <td style="vertical-align: middle">1</td>
 <td style="vertical-align: middle">67.5–72.5%</td>
 <td style="vertical-align: middle">200%</td>
 <td style="vertical-align: middle">火焰</td>
 </tr>
 <tr>
 <td style="vertical-align: middle">點燃，2 x [[Replica Emberwake]]</td>
 <td style="vertical-align: middle">85%–95% 火焰</td>
 <td style="vertical-align: middle">2.1–2.4 秒</td>
 <td style="vertical-align: middle">200%</td>
 <td style="vertical-align: middle">1</td>
 <td style="vertical-align: middle">85%–95%</td>
 <td style="vertical-align: middle">200%</td>
 <td style="vertical-align: middle">火焰</td>
 </tr>
 <tr>
 <td style="vertical-align: middle">點燃，1 x [[Emberwake]]，1 x [[Replica Emberwake]]</td>
 <td style="vertical-align: middle">40.9%–48.3% 火焰</td>
 <td style="vertical-align: middle">4.1–4.8 秒</td>
 <td style="vertical-align: middle">200%</td>
 <td style="vertical-align: middle">2</td>
 <td style="vertical-align: middle">81.8%–96.7%</td>
 <td style="vertical-align: middle">400%</td>
 <td style="vertical-align: middle">火焰</td>
 </tr>
 <tr>
 <td style="vertical-align: middle">[[Poison]]</td>
 <td style="vertical-align: middle">30% 物理 + 混沌</td>
 <td style="vertical-align: middle">2 秒</td>
 <td style="vertical-align: middle">60%</td>
 <td style="vertical-align: middle">∞</td>
 <td style="vertical-align: middle">∞</td>
 <td style="vertical-align: middle">∞</td>
 <td style="vertical-align: middle">混沌</td>
 </tr>
 <tr>
 <td style="vertical-align: middle">[[Viper Strike]]的中毒</td>
 <td style="vertical-align: middle">30% 物理 + 混沌</td>
 <td style="vertical-align: middle">4 秒</td>
 <td style="vertical-align: middle">120%</td>
 <td style="vertical-align: middle">∞</td>
 <td style="vertical-align: middle">∞</td>
 <td style="vertical-align: middle">∞</td>
 <td style="vertical-align: middle">混沌</td>
 </tr>
 </tbody>
</table>