diff --git a/Resources/Prototypes/Entities/Mobs/Species/diona.yml b/Resources/Prototypes/Entities/Mobs/Species/diona.yml
index b36236d79e..f9afcb92d7 100644
--- a/Resources/Prototypes/Entities/Mobs/Species/diona.yml
+++ b/Resources/Prototypes/Entities/Mobs/Species/diona.yml
@@ -19,6 +19,11 @@
   - type: Damageable
     damageContainer: Biological
     damageModifierSet: Diona
+  - type: DamageVisuals
+    damageOverlayGroups:
+      Brute:
+        sprite: Mobs/Effects/brute_damage.rsi
+        color: "#75b1f0"
   - type: Butcherable
     butcheringType: Spike
     spawned:
diff --git a/Resources/Prototypes/Entities/Mobs/Species/slime.yml b/Resources/Prototypes/Entities/Mobs/Species/slime.yml
index 9472adc76c..e69ce1126e 100644
--- a/Resources/Prototypes/Entities/Mobs/Species/slime.yml
+++ b/Resources/Prototypes/Entities/Mobs/Species/slime.yml
@@ -19,6 +19,11 @@
   - type: Damageable
     damageContainer: Biological
     damageModifierSet: Slime
+  - type: DamageVisuals
+    damageOverlayGroups:
+      Brute:
+        sprite: Mobs/Effects/brute_damage.rsi
+        color: "#2cf274"
   - type: Bloodstream
     bloodReagent: Slime # TODO Color slime blood based on their slime color or smth
   - type: Barotrauma