diff --git a/data/base/shaders/vk/tcmask_instanced.frag b/data/base/shaders/vk/tcmask_instanced.frag
index d5258a8fe48..1aac937c219 100644
--- a/data/base/shaders/vk/tcmask_instanced.frag
+++ b/data/base/shaders/vk/tcmask_instanced.frag
@@ -33,6 +33,11 @@ layout(location = 0) out vec4 FragColor;
 
 #include "pointlights.glsl"
 
+float random(vec2 uv)
+{
+	return fract(sin(dot(uv.xy, vec2(12.9898, 78.233))) * 43758.5453123);
+}
+
 float getShadowMapDepthComp(vec2 base_uv, float u, float v, vec2 shadowMapSizeInv, int cascadeIndex, float z)
 {
 	vec2 uv = base_uv + vec2(u, v) * shadowMapSizeInv;
@@ -381,5 +386,15 @@ void main()
 		fragColour = mix(fragColour, vec4(fogColor.xyz, fragColour.w), fogFactor);
 	}
 
-	FragColor = fragColour;
+	if (shieldEffect == 1)
+	{
+		float cycle = 0.66 + 0.66 * graphicsCycle;
+		vec3 col = vec3(random(vec2(fragColour.x * cycle, fragColour.y * cycle)));
+		col.b *= 1.5;
+		FragColor = vec4(col, fragColour.a / 6.0);
+	}
+	else
+	{
+		FragColor = fragColour;
+	}
 }
diff --git a/data/base/shaders/vk/tcmask_instanced.glsl b/data/base/shaders/vk/tcmask_instanced.glsl
index e8cde264b5b..0d54eeb9c0d 100644
--- a/data/base/shaders/vk/tcmask_instanced.glsl
+++ b/data/base/shaders/vk/tcmask_instanced.glsl
@@ -40,5 +40,6 @@ layout(std140, set = 1, binding = 0) uniform meshuniforms
 	int normalmap;
 	int specularmap;
 	int hasTangents;
+	int shieldEffect;
 };