> For the complete documentation index, see [llms.txt](https://alex-plugins.gitbook.io/nebula/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://alex-plugins.gitbook.io/nebula/main-mechanics/chances.md).

# Chances

The chances are the probabilties that the effects are executed. You can use placeholders from PlaceholderAPI, as well as the `%level%` placeholder for the enchantments and power orbs and the `%items%` placeholders for the sets.

## One trigger

If the file you are modifying only have one trigger, use the `chance` key value to set the chance.

**Chance example :**

`chance: 10*%level%`

The effects will have 10% to be executed if the enchantment level is 1, 20% if the level is 2, etc..

## Using multiple triggers

If the enchantment / power orb / set is using [multiple triggers](/nebula/main-mechanics/triggers.md#muliple-triggers), you have to define multiple chances using `chances` (don't forget **s**) keyword. You can now define one chance per line using name at the beginning of the line as follow :

`- "<trigger_name>:<chance_value>"`

Here is an example with two triggers named **hit\_all** and **permanent.**

`chances:`

`- "hit_all:100"`

`- "permanent:100"`