diff --git a/data/mods/MindOverMatter/effects/effects_nether_attunement.json b/data/mods/MindOverMatter/effects/effects_nether_attunement.json
index d8a4c7bbb0fe0..533f771c876d3 100644
--- a/data/mods/MindOverMatter/effects/effects_nether_attunement.json
+++ b/data/mods/MindOverMatter/effects/effects_nether_attunement.json
@@ -14,12 +14,29 @@
       [ "", "mixed" ],
       [ "", "mixed" ],
       [ "", "mixed" ],
+      [ "Your mind thrums with power.  It's intoxicating, but growing increasingly harder to control.", "mixed" ],
       [ "", "mixed" ],
       [ "", "mixed" ],
       [ "", "mixed" ],
       [ "", "mixed" ],
       [ "", "mixed" ],
+      [
+        "Your whole body pulses with a raging torrent of energy.  It's taking almost all of your concentration to hold on.",
+        "mixed"
+      ],
+      [ "", "mixed" ]
+    ],
+    "decay_messages": [
+      [ "", "mixed" ],
+      [ "", "mixed" ],
+      [ "", "mixed" ],
+      [ "The constant hum of power fades, just a little.  It's easier to think now.", "mixed" ],
+      [ "", "mixed" ],
+      [ "", "mixed" ],
+      [ "", "mixed" ],
+      [ "", "mixed" ],
       [ "", "mixed" ],
+      [ "The roar of the Nether subsides.  You can finally hear your own thoughts again.", "mixed" ],
       [ "", "mixed" ],
       [ "", "mixed" ]
     ],
diff --git a/data/mods/MindOverMatter/jmath.json b/data/mods/MindOverMatter/jmath.json
index 68c454b94e462..9ed259d975711 100644
--- a/data/mods/MindOverMatter/jmath.json
+++ b/data/mods/MindOverMatter/jmath.json
@@ -52,7 +52,7 @@
     "id": "concentration_trait_bonuses",
     "num_args": 0,
     "//": "Effects with an intelligence penalty have not been included below to avoid double counting",
-    "return": "(u_has_trait('CONCENTRATION_GOOD')) + (u_has_trait('CONCENTRATION_BAD') ? -1 : 0) + (u_has_trait('INT_ALPHA')) + (u_has_trait('NOMAD2') ? -1 : 0) + (u_has_trait('NOMAD3') ? -1 : 0) + (u_has_trait('CONCENTRATION_DEBUG') ? 50 : 0) + (u_has_proficiency('prof_concentration_basic')) + (u_has_proficiency('prof_concentration_intermediate')) + (u_has_proficiency('prof_concentration_master') * 2) + (u_effect_intensity('hallu') > 0 ? -1 : 0) + (u_effect_intensity('winded') > 0 ? -2 : 0) + (u_effect_intensity('nausea') > 0 ? -1 : 0) + (u_effect_intensity('nausea') > 3 ? -1 : 0) +  (u_effect_intensity('cold') > 1 ? -1 : 0) + (u_effect_intensity('hot') > 1 ? -1 : 0) + (u_effect_intensity('asthma') > 0 ? -3 : 0) + (u_effect_intensity('datura') > 0 ? -3 : 0) + (u_effect_intensity('dazed') > 0 ? -2 : 0) + (u_effect_intensity('psi_dazed') > 0 ? -2 : 0) + (u_effect_intensity('psi_dazed_zap') > 0 ? -1 : 0) + (u_effect_intensity('downed') > 0 ? -2 : 0) + (u_effect_intensity('boomered') > 0 ? -1 : 0) + (u_effect_intensity('conjunctivitis') > 0 ? -1 : 0) + (u_effect_intensity('teargas') > 0 ? -3 : 0) + (u_effect_intensity('smoke_eyes') > 0 ? -1 : 0) + (u_effect_intensity('smoke_lungs') > 0 ? -2 : 0)"
+    "return": "(u_has_trait('CONCENTRATION_GOOD')) + (u_has_trait('CONCENTRATION_BAD') ? -1 : 0) + (u_has_trait('INT_ALPHA')) + (u_has_trait('NOMAD2') ? -1 : 0) + (u_has_trait('NOMAD3') ? -1 : 0) + (u_has_trait('CONCENTRATION_DEBUG') ? 50 : 0) + (u_has_proficiency('prof_concentration_basic')) + (u_has_proficiency('prof_concentration_intermediate')) + (u_has_proficiency('prof_concentration_master') * 2) + (u_effect_intensity('effect_disease_psionic_drain') > 4 ? -1 : 0) + (u_effect_intensity('effect_disease_psionic_drain') > 10 ? -1 : 0) + (u_effect_intensity('hallu') > 0 ? -1 : 0) + (u_effect_intensity('winded') > 0 ? -2 : 0) + (u_effect_intensity('nausea') > 0 ? -1 : 0) + (u_effect_intensity('nausea') > 3 ? -1 : 0) +  (u_effect_intensity('cold') > 1 ? -1 : 0) + (u_effect_intensity('hot') > 1 ? -1 : 0) + (u_effect_intensity('asthma') > 0 ? -3 : 0) + (u_effect_intensity('datura') > 0 ? -3 : 0) + (u_effect_intensity('dazed') > 0 ? -2 : 0) + (u_effect_intensity('psi_dazed') > 0 ? -2 : 0) + (u_effect_intensity('psi_dazed_zap') > 0 ? -1 : 0) + (u_effect_intensity('downed') > 0 ? -2 : 0) + (u_effect_intensity('boomered') > 0 ? -1 : 0) + (u_effect_intensity('conjunctivitis') > 0 ? -1 : 0) + (u_effect_intensity('teargas') > 0 ? -3 : 0) + (u_effect_intensity('smoke_eyes') > 0 ? -1 : 0) + (u_effect_intensity('smoke_lungs') > 0 ? -2 : 0)"
   },
   {
     "type": "jmath_function",