diff --git a/src/data/abilities.h b/src/data/abilities.h
index 9ea6e197a4..5f502ed88e 100644
--- a/src/data/abilities.h
+++ b/src/data/abilities.h
@@ -281,7 +281,7 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .description = COMPOUND_STRING("Copies special ability."),
         .aiRating = 6,
         .cantBeCopied = TRUE,
-        .cantBeTraced = TRUE,
+        .cantBeTraced = TRUE, //B_UPDATED_ABILITY_DATA >= GEN_4
     },
 
     [ABILITY_HUGE_POWER] =
@@ -452,7 +452,8 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .description = COMPOUND_STRING("Changes with the weather."),
         .aiRating = 6,
         .cantBeCopied = TRUE,
-        .cantBeTraced = TRUE,
+        .cantBeTraced = B_UPDATED_ABILITY_DATA >= GEN_4,
+        .failsOnImposter = B_UPDATED_ABILITY_DATA >= GEN_5,
     },
 
     [ABILITY_STICKY_HOLD] =
@@ -912,6 +913,7 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .cantBeTraced = TRUE,
         .cantBeSuppressed = TRUE,
         .cantBeOverwritten = TRUE,
+        .failsOnImposter = B_UPDATED_ABILITY_DATA >= GEN_5,
     },
 
     [ABILITY_FLOWER_GIFT] =
@@ -920,7 +922,7 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .description = COMPOUND_STRING("Allies power up in sunshine."),
         .aiRating = 4,
         .cantBeCopied = TRUE,
-        .cantBeTraced = TRUE,
+        .cantBeTraced = B_UPDATED_ABILITY_DATA >= GEN_5,
         .breakable = TRUE,
     },
 
@@ -1212,9 +1214,11 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .description = COMPOUND_STRING("Transforms at half HP."),
         .aiRating = -1,
         .cantBeCopied = TRUE,
-        .cantBeSwapped = TRUE,
+        .cantBeSwapped = B_UPDATED_ABILITY_DATA >= GEN_7,
         .cantBeTraced = TRUE,
         .cantBeSuppressed = B_UPDATED_ABILITY_DATA >= GEN_7,
+        .cantBeOverwritten = B_UPDATED_ABILITY_DATA >= GEN_7,
+        .failsOnImposter = TRUE,
     },
 
     [ABILITY_VICTORY_STAR] =
@@ -1330,6 +1334,7 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .cantBeTraced = TRUE,
         .cantBeSuppressed = TRUE,
         .cantBeOverwritten = TRUE,
+        .failsOnImposter = TRUE,
     },
 
     [ABILITY_GALE_WINGS] =
@@ -1401,6 +1406,7 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .name = _("Dark Aura"),
         .description = COMPOUND_STRING("Boosts Dark moves."),
         .aiRating = 6,
+        .breakable = B_UPDATED_ABILITY_DATA < GEN_8,
     },
 
     [ABILITY_FAIRY_AURA] =
@@ -1408,6 +1414,7 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .name = _("Fairy Aura"),
         .description = COMPOUND_STRING("Boosts Fairy moves."),
         .aiRating = 6,
+        .breakable = B_UPDATED_ABILITY_DATA < GEN_8,
     },
 
     [ABILITY_AURA_BREAK] =
@@ -1484,6 +1491,7 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .cantBeTraced = TRUE,
         .cantBeSuppressed = TRUE,
         .cantBeOverwritten = TRUE,
+        .failsOnImposter = TRUE,
     },
 
     [ABILITY_STAKEOUT] =
@@ -1567,6 +1575,7 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .cantBeTraced = TRUE,
         .cantBeSuppressed = TRUE,
         .cantBeOverwritten = TRUE,
+        .failsOnImposter = TRUE,
     },
 
     [ABILITY_DISGUISE] =
@@ -1593,6 +1602,7 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .cantBeTraced = TRUE,
         .cantBeSuppressed = TRUE,
         .cantBeOverwritten = TRUE,
+        .failsOnImposter = TRUE,
     },
 
     [ABILITY_POWER_CONSTRUCT] =
@@ -1605,6 +1615,7 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .cantBeTraced = TRUE,
         .cantBeSuppressed = TRUE,
         .cantBeOverwritten = TRUE,
+        .failsOnImposter = TRUE,
     },
 
     [ABILITY_CORROSION] =
@@ -1720,6 +1731,7 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .cantBeTraced = TRUE,
         .cantBeSuppressed = TRUE,
         .cantBeOverwritten = TRUE,
+        .failsOnImposter = TRUE,
     },
 
     [ABILITY_ELECTRIC_SURGE] =
@@ -1836,6 +1848,8 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .cantBeSwapped = B_UPDATED_MOVE_FLAGS <= GEN_8,
         .cantBeSuppressed = TRUE,
         .cantBeOverwritten = TRUE,
+        .cantBeSwapped = B_UPDATED_ABILITY_DATA < GEN_9,
+        .cantBeTraced = B_UPDATED_ABILITY_DATA < GEN_9,
         .failsOnImposter = TRUE,
     },
 
@@ -2223,6 +2237,9 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .name = _("Orichalcum Pulse"),
         .description = COMPOUND_STRING("Summons sunlight in battle."),
         .aiRating = 8,
+        .cantBeSwapped = TRUE,
+        .cantBeCopied = TRUE,
+        .cantBeOverwritten = TRUE,
     },
 
     [ABILITY_HADRON_ENGINE] =
@@ -2230,6 +2247,9 @@ const struct AbilityInfo gAbilitiesInfo[ABILITIES_COUNT] =
         .name = _("Hadron Engine"),
         .description = COMPOUND_STRING("Field becomes Electric."),
         .aiRating = 8,
+        .cantBeSwapped = TRUE,
+        .cantBeCopied = TRUE,
+        .cantBeOverwritten = TRUE,
     },
 
     [ABILITY_OPPORTUNIST] =