---
title: "Esoterica"
url: "https://help.maxon.net/c4d/en-us/Content/html/XSLACHEEN-ID_CHEEN_ESOTERICA.html"
section_path: "Material Manager > Classic Materials > Classic material > Volumetric Shaders > Cheen Shader > Esoterica"
element_id: "XSLACHEEN"
group_id: "ID_CHEEN_ESOTERICA"
description: "This parameter is used to scale the shadow opacity. Keep in mind that this changes the shadow opacity for every surface intercepted by the ray, meaning …"
---

## Esoterica

### Global Shadow Opacity

Parameter ID: `SLA_CHEEN_ESOTERICA_OPACITY` · Range: [0..100%]

This parameter is used to scale the shadow opacity. Keep in mind that this changes the shadow opacity for every surface intercepted by the ray, meaning that going through the surface twice causes the shadow to be twice as dark