> For the complete documentation index, see [llms.txt](https://bravenine.gitbook.io/brave-nine/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bravenine.gitbook.io/brave-nine/gameplay/basic-information/mercenary/mercenary-skill.md).

# Mercenary Skill

![](/files/J7XsspOUt71sYkl7kSbq)

Mercenaries have a variety of skills. 

Skills are generally classified into Buff (for their casters and allies) and Debuff (for their enemies).

Activation 

* Most skills, except for Supporters, require attacks on enemies. Effects of the same kind cast by different Mercenaries stack.

Type 

* Skills are activated based on the rules of each skill type. If a skill is off the common rules, the corresponding content is shown in Exception. Detail information of skill type can be found in \[Skills] tab.

Duration 

* It shows how long a skill lasts once activated. Reset skill type may reset the duration. However, resetting duration isn't applied to some skills.

Skill Application Timing 

* It shows when the skill is activated. Detailed information of skill application timing can be found in \[Skills] tab.

Target 

* The target that the skill is applied to. Targets for main skill and sub-skill(s) can be different.