diff --git a/data/mods/Magiclysm/items/enchanted_cloaks.json b/data/mods/Magiclysm/items/enchanted_cloaks.json
index deaac0de47b4b..f7836c72a52e3 100644
--- a/data/mods/Magiclysm/items/enchanted_cloaks.json
+++ b/data/mods/Magiclysm/items/enchanted_cloaks.json
@@ -94,69 +94,6 @@
     "relic_data": { "passive_effects": [ { "id": "ench_deerform" } ] },
     "armor": [ { "encumbrance": 0, "coverage": 0, "covers": [ "torso", "arm_l", "arm_r", "leg_l", "leg_r" ] } ]
   },
-  {
-    "type": "effect_on_condition",
-    "id": "EOC_CLOAK_OF_ELVENKIND_TURN_ON",
-    "global": true,
-    "run_for_npcs": true,
-    "eoc_type": "EVENT",
-    "required_event": "avatar_moves",
-    "condition": {
-      "and": [
-        "u_is_outside",
-        { "not": { "u_has_trait": "FOREST_STEALTH" } },
-        { "u_has_effect": "effect_elven_cloak_effect" },
-        {
-          "or": [
-            { "u_is_on_terrain_with_flag": "SHRUB" },
-            { "u_is_on_terrain": "t_tree_young" },
-            { "u_is_on_terrain": "t_bamboo_tall" },
-            { "u_is_on_terrain": "t_grass_long" },
-            { "u_at_om_location": "forest" },
-            { "u_at_om_location": "forest_thick" }
-          ]
-        }
-      ]
-    },
-    "effect": [ { "u_add_trait": "FOREST_STEALTH" } ]
-  },
-  {
-    "type": "effect_on_condition",
-    "id": "EOC_CLOAK_OF_ELVENKIND_TURN_OFF",
-    "global": true,
-    "run_for_npcs": true,
-    "eoc_type": "EVENT",
-    "required_event": "avatar_moves",
-    "condition": {
-      "and": [
-        { "u_has_trait": "FOREST_STEALTH" },
-        {
-          "or": [
-            { "not": "u_is_outside" },
-            { "not": { "u_has_effect": "effect_elven_cloak_effect" } },
-            {
-              "and": [
-                { "not": { "u_is_on_terrain_with_flag": "SHRUB" } },
-                { "not": { "u_is_on_terrain": "t_tree_young" } },
-                { "not": { "u_is_on_terrain": "t_bamboo_tall" } },
-                { "not": { "u_is_on_terrain": "t_grass_long" } },
-                { "not": { "u_at_om_location": "forest" } },
-                { "not": { "u_at_om_location": "forest_thick" } }
-              ]
-            }
-          ]
-        }
-      ]
-    },
-    "effect": [ { "u_lose_trait": "FOREST_STEALTH" } ]
-  },
-  {
-    "type": "effect_type",
-    "id": "effect_elven_cloak_effect",
-    "//": "This is a dummy effect because EoCs can't tell what you're wearing",
-    "name": [ "" ],
-    "desc": [ "" ]
-  },
   {
     "id": "cloak_of_elvenkind",
     "type": "ARMOR",
@@ -184,10 +121,22 @@
     "environmental_protection": 3,
     "relic_data": {
       "passive_effects": [
-        { "has": "WORN", "condition": "ALWAYS", "ench_effects": [ { "effect": "effect_elven_cloak_effect", "intensity": 1 } ] }
+        {
+          "has": "WORN",
+          "condition": {
+            "or": [
+              { "u_is_on_terrain_with_flag": "SHRUB" },
+              { "u_is_on_terrain": "t_tree_young" },
+              { "u_is_on_terrain": "t_bamboo_tall" },
+              { "u_is_on_terrain": "t_grass_long" },
+              { "u_at_om_location": "forest" },
+              { "u_at_om_location": "forest_thick" }
+            ]
+          },
+          "values": [ { "value": "STEALTH_MODIFIER", "add": 60 } ]
+        }
       ]
     },
-    "//": "Enchant provided through EoC, relic_data is just to make it purple",
     "flags": [ "BELTED", "OVERSIZE", "NONCONDUCTIVE", "WATER_FRIENDLY", "RAINPROOF" ]
   }
 ]
diff --git a/data/mods/Magiclysm/mutations/temporary.json b/data/mods/Magiclysm/mutations/temporary.json
index 3940b0c18275d..02b571b3549bb 100644
--- a/data/mods/Magiclysm/mutations/temporary.json
+++ b/data/mods/Magiclysm/mutations/temporary.json
@@ -100,13 +100,5 @@
     "player_display": false,
     "points": 0,
     "stomach_size_multiplier": 10.0
-  },
-  {
-    "type": "mutation",
-    "id": "FOREST_STEALTH",
-    "name": { "str": "Cloak of Elvenkind: Forest Stealth" },
-    "description": "You have a much easier time hiding in the forest.",
-    "points": 2,
-    "stealth_modifier": 60
   }
 ]
diff --git a/data/mods/Magiclysm/obsolete/eocs.json b/data/mods/Magiclysm/obsolete/eocs.json
new file mode 100644
index 0000000000000..053cfa80d9688
--- /dev/null
+++ b/data/mods/Magiclysm/obsolete/eocs.json
@@ -0,0 +1,65 @@
+[
+  {
+    "type": "effect_on_condition",
+    "id": "EOC_CLOAK_OF_ELVENKIND_TURN_ON",
+    "global": true,
+    "run_for_npcs": true,
+    "eoc_type": "EVENT",
+    "required_event": "avatar_moves",
+    "condition": {
+      "and": [
+        "u_is_outside",
+        { "not": { "u_has_trait": "FOREST_STEALTH" } },
+        { "u_has_effect": "effect_elven_cloak_effect" },
+        {
+          "or": [
+            { "u_is_on_terrain_with_flag": "SHRUB" },
+            { "u_is_on_terrain": "t_tree_young" },
+            { "u_is_on_terrain": "t_bamboo_tall" },
+            { "u_is_on_terrain": "t_grass_long" },
+            { "u_at_om_location": "forest" },
+            { "u_at_om_location": "forest_thick" }
+          ]
+        }
+      ]
+    },
+    "effect": [ { "u_add_trait": "FOREST_STEALTH" } ]
+  },
+  {
+    "type": "effect_on_condition",
+    "id": "EOC_CLOAK_OF_ELVENKIND_TURN_OFF",
+    "global": true,
+    "run_for_npcs": true,
+    "eoc_type": "EVENT",
+    "required_event": "avatar_moves",
+    "condition": {
+      "and": [
+        { "u_has_trait": "FOREST_STEALTH" },
+        {
+          "or": [
+            { "not": "u_is_outside" },
+            { "not": { "u_has_effect": "effect_elven_cloak_effect" } },
+            {
+              "and": [
+                { "not": { "u_is_on_terrain_with_flag": "SHRUB" } },
+                { "not": { "u_is_on_terrain": "t_tree_young" } },
+                { "not": { "u_is_on_terrain": "t_bamboo_tall" } },
+                { "not": { "u_is_on_terrain": "t_grass_long" } },
+                { "not": { "u_at_om_location": "forest" } },
+                { "not": { "u_at_om_location": "forest_thick" } }
+              ]
+            }
+          ]
+        }
+      ]
+    },
+    "effect": [ { "u_lose_trait": "FOREST_STEALTH" } ]
+  },
+  {
+    "type": "effect_type",
+    "id": "effect_elven_cloak_effect",
+    "//": "This is a dummy effect because EoCs can't tell what you're wearing",
+    "name": [ "" ],
+    "desc": [ "" ]
+  }
+]
diff --git a/data/mods/Magiclysm/obsolete/mutations.json b/data/mods/Magiclysm/obsolete/mutations.json
new file mode 100644
index 0000000000000..706202331d355
--- /dev/null
+++ b/data/mods/Magiclysm/obsolete/mutations.json
@@ -0,0 +1,10 @@
+[
+  {
+    "type": "mutation",
+    "id": "FOREST_STEALTH",
+    "name": { "str": "Cloak of Elvenkind: Forest Stealth" },
+    "description": "You have a much easier time hiding in the forest.",
+    "points": 2,
+    "stealth_modifier": 60
+  }
+]