diff --git a/data/mods/MindOverMatter/effectoncondition/eoc_misc.json b/data/mods/MindOverMatter/effectoncondition/eoc_misc.json
index 580c49a235f52..c3f85fe1a5a40 100644
--- a/data/mods/MindOverMatter/effectoncondition/eoc_misc.json
+++ b/data/mods/MindOverMatter/effectoncondition/eoc_misc.json
@@ -183,7 +183,19 @@
             { "compare_string": [ "dazed", { "context_val": "effect" } ] },
             { "compare_string": [ "psi_dazed", { "context_val": "effect" } ] },
             { "compare_string": [ "psi_dazed_zap", { "context_val": "effect" } ] },
-            { "compare_string": [ "downed", { "context_val": "effect" } ] }
+            { "compare_string": [ "downed", { "context_val": "effect" } ] },
+            {
+              "and": [
+                { "compare_string": [ "effect_disease_psionic_drain", { "context_val": "effect" } ] },
+                { "math": [ "_intensity == 5" ] }
+              ]
+            },
+            {
+              "and": [
+                { "compare_string": [ "effect_disease_psionic_drain", { "context_val": "effect" } ] },
+                { "math": [ "_intensity == 11" ] }
+              ]
+            }
           ]
         },
         { "math": [ "u_vitamin('vitamin_maintained_powers') >= 1" ] }
diff --git a/data/mods/MindOverMatter/effectoncondition/eoc_on_power_use_events.json b/data/mods/MindOverMatter/effectoncondition/eoc_on_power_use_events.json
index 00f4b032f17d9..6ce4728ae7d60 100644
--- a/data/mods/MindOverMatter/effectoncondition/eoc_on_power_use_events.json
+++ b/data/mods/MindOverMatter/effectoncondition/eoc_on_power_use_events.json
@@ -555,27 +555,39 @@
   {
     "type": "effect_on_condition",
     "id": "EOC_POWER_MAINTENANCE_PLUS_ONE",
-    "condition": { "math": [ "u_vitamin('vitamin_maintained_powers') >= concentration_calculations()" ] },
     "effect": [
-      {
-        "u_message": "It's taking you a lot of concentration to maintain your powers.  You're not sure you'll be able to do it for very long.",
-        "type": "bad"
-      },
-      { "u_add_effect": "effect_psi_intense_concentration", "duration": "PERMANENT" },
-      { "math": [ "u_vitamin('vitamin_maintained_powers')", "+=", "1" ] }
-    ],
-    "false_effect": [ { "math": [ "u_vitamin('vitamin_maintained_powers')", "+=", "1" ] } ]
+      { "math": [ "u_vitamin('vitamin_maintained_powers')", "+=", "1" ] },
+      { "run_eocs": "EOC_CONCENTRATION_VS_LIMIT_CALCULATIONS" }
+    ]
   },
   {
     "type": "effect_on_condition",
     "id": "EOC_POWER_MAINTENANCE_MINUS_ONE",
-    "condition": { "math": [ "u_vitamin('vitamin_maintained_powers') == concentration_calculations() + 1" ] },
     "effect": [
-      { "u_message": "As you stop concentrating, your mind clears a bit.  It's easier to think now.", "type": "good" },
-      { "u_lose_effect": "effect_psi_intense_concentration" },
-      { "math": [ "u_vitamin('vitamin_maintained_powers')", "-=", "1" ] }
+      { "math": [ "u_vitamin('vitamin_maintained_powers')", "-=", "1" ] },
+      { "run_eocs": "EOC_CONCENTRATION_VS_LIMIT_CALCULATIONS" }
+    ]
+  },
+  {
+    "type": "effect_on_condition",
+    "id": "EOC_CONCENTRATION_VS_LIMIT_CALCULATIONS",
+    "condition": { "math": [ "u_vitamin('vitamin_maintained_powers') > concentration_calculations()" ] },
+    "effect": [
+      {
+        "u_message": "It's taking you a lot of concentration to maintain your powers.  You're not sure you'll be able to do it for very long.",
+        "type": "bad"
+      },
+      { "u_add_effect": "effect_psi_intense_concentration", "duration": "PERMANENT" }
     ],
-    "false_effect": [ { "math": [ "u_vitamin('vitamin_maintained_powers')", "-=", "1" ] } ]
+    "false_effect": [
+      {
+        "if": { "u_has_effect": "effect_psi_intense_concentration" },
+        "then": [
+          { "u_message": "As you stop concentrating, your mind clears a bit.  It's easier to think now.", "type": "good" },
+          { "u_lose_effect": "effect_psi_intense_concentration" }
+        ]
+      }
+    ]
   },
   {
     "type": "effect_on_condition",
@@ -615,7 +627,8 @@
           "EOC_CONCENTRATION_SUCCESS_PROFICIENCY",
           "EOC_CONCENTRATION_IN_NETHER_AREAS_ATTUNEMENT",
           "EOC_NETHER_ATTUNEMENT_FEEDBACK_CHECK_CONCENTRATION",
-          "EOC_CONCENTRATION_SUCCESS_REDUCE_FOCUS"
+          "EOC_CONCENTRATION_SUCCESS_REDUCE_FOCUS",
+          "EOC_CONCENTRATION_VS_LIMIT_CALCULATIONS"
         ]
       },
       {
diff --git a/doc/EFFECT_ON_CONDITION.md b/doc/EFFECT_ON_CONDITION.md
index 91659547f023f..0cbdce03795bf 100644
--- a/doc/EFFECT_ON_CONDITION.md
+++ b/doc/EFFECT_ON_CONDITION.md
@@ -1479,7 +1479,7 @@ Every event EOC passes context vars with each of their key value pairs that the
 | character_eats_item |  | { "character", `character_id` },<br/> { "itype", `itype_id` }, | character / NONE |
 | character_finished_activity | Triggered when character finished or canceled activity | { "character", `character_id` },<br/> { "activity", `activity_id` },<br/> { "canceled", `bool` } | character / NONE |
 | character_forgets_spell |  | { "character", `character_id` },<br/> { "spell", `spell_id` } | character / NONE |
-| character_gains_effect |  | { "character", `character_id` },<br/> { "effect", `efftype_id` },<br/> { "bodypart", `bodypart_id` } | character / NONE |
+| character_gains_effect |  | { "character", `character_id` },<br/> { "effect", `efftype_id` },<br/> { "bodypart", `bodypart_id` }, { "intensity", `int` }</br> | character / NONE |
 | character_gets_headshot |  | { "character", `character_id` } | character / NONE |
 | character_heals_damage |  | { "character", `character_id` },<br/> { "damage", `int` }, | character / NONE |
 | character_kills_character |  | { "killer", `character_id` },<br/> { "victim", `character_id` },<br/> { "victim_name", `string` }, | character / NONE |
diff --git a/src/creature.cpp b/src/creature.cpp
index ccab04ac3b078..2678ccda0ec00 100644
--- a/src/creature.cpp
+++ b/src/creature.cpp
@@ -1798,7 +1798,7 @@ void Creature::add_effect( const effect_source &source, const efftype_id &eff_id
         }
         ( *effects )[eff_id][bp] = e;
         if( Character *ch = as_character() ) {
-            get_event_bus().send<event_type::character_gains_effect>( ch->getID(), bp.id(), eff_id );
+            get_event_bus().send<event_type::character_gains_effect>( ch->getID(), bp.id(), eff_id, intensity );
             if( is_avatar() ) {
                 eff_id->add_apply_msg( e.get_intensity() );
             }
diff --git a/src/event.h b/src/event.h
index 646ca0f4a2696..a6b024c3be714 100644
--- a/src/event.h
+++ b/src/event.h
@@ -339,10 +339,11 @@ struct event_spec<event_type::character_forgets_spell> {
 
 template<>
 struct event_spec<event_type::character_gains_effect> {
-    static constexpr std::array<std::pair<const char *, cata_variant_type>, 3> fields = {{
+    static constexpr std::array<std::pair<const char *, cata_variant_type>, 4> fields = {{
             { "character", cata_variant_type::character_id },
             { "bodypart", cata_variant_type::body_part},
             { "effect", cata_variant_type::efftype_id },
+            { "intensity", cata_variant_type::int_ }
         }
     };
 };
diff --git a/tests/memorial_test.cpp b/tests/memorial_test.cpp
index 2b72b7def7bef..c251456f3ad1b 100644
--- a/tests/memorial_test.cpp
+++ b/tests/memorial_test.cpp
@@ -125,7 +125,7 @@ TEST_CASE( "memorials", "[memorial]" )
         m, b, "Caused a resonance cascade." );
 
     check_memorial<event_type::character_gains_effect>(
-        m, b, "Caught on fire.", ch, bodypart_id( "arm_r" ), eff );
+        m, b, "Caught on fire.", ch, bodypart_id( "arm_r" ), eff, 1 );
 
     check_memorial<event_type::character_kills_character>(
         m, b, "Killed an innocent person, victim_name, in cold blood and felt terrible "