added ClearTarget mechanic authored by Lxlp's avatar Lxlp
## Description
Adds absorption hearts. Having maxShield as a greater value than amount
is recommended.
## Attributes
| Attribute | Aliases | Description | Default |
|-----------|-----------|----------------------------------------------------------------------|---------|
| amount | a | The amount of the shield to give | 1 |
| maxabsorb | maxshield, ma, ms | The maximum value the shield on the entity should be | 1 |
## Examples
Gives absorption hearts to caster.
```yaml
Skills:
- shield{amount=50;maxShield=100} @self ~onSpawn
- ...
```
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