diff --git a/scripts/verify-battle-scenario-data.mjs b/scripts/verify-battle-scenario-data.mjs
index 79bcb44..866c268 100644
--- a/scripts/verify-battle-scenario-data.mjs
+++ b/scripts/verify-battle-scenario-data.mjs
@@ -115,9 +115,7 @@ function validateUnits(errors, scenario, classKeys, itemKeys, equipmentSlots, co
     if (!classKeys.has(unit.classKey)) {
       errors.push(`${unitContext}: unknown classKey "${unit.classKey}"`);
     }
-    if (!Number.isInteger(unit.level) || unit.level < 1) {
-      errors.push(`${unitContext}: invalid level ${unit.level}`);
-    }
+    validateCharacterProgress(errors, unit, unitContext);
     if (!Number.isInteger(unit.hp) || !Number.isInteger(unit.maxHp) || unit.hp < 1 || unit.maxHp < 1 || unit.hp > unit.maxHp) {
       errors.push(`${unitContext}: invalid hp ${unit.hp}/${unit.maxHp}`);
     }
@@ -192,6 +190,19 @@ function validateObjectives(errors, scenario, context) {
   });
 }
 
+function validateCharacterProgress(errors, unit, context) {
+  if (!Number.isInteger(unit.level) || unit.level < 1) {
+    errors.push(`${context}: invalid level ${unit.level}`);
+  }
+  if (!Number.isInteger(unit.exp) || unit.exp < 0) {
+    errors.push(`${context}: invalid exp ${unit.exp}`);
+  } else if (Number.isInteger(unit.level) && unit.level < 99 && unit.exp >= 100) {
+    errors.push(`${context}: exp ${unit.exp} should be below 100 before max level`);
+  } else if (Number.isInteger(unit.level) && unit.level >= 99 && unit.exp > 100) {
+    errors.push(`${context}: max level exp ${unit.exp} should be at most 100`);
+  }
+}
+
 function validateSortie(errors, scenario, classKeys, formationRoles, terrainRules, context) {
   const sortie = scenario.sortie;
   if (!sortie) {
diff --git a/scripts/verify-campaign-recruit-data.mjs b/scripts/verify-campaign-recruit-data.mjs
index 5ba617e..52d5224 100644
--- a/scripts/verify-campaign-recruit-data.mjs
+++ b/scripts/verify-campaign-recruit-data.mjs
@@ -82,12 +82,7 @@ function validateRecruitTemplates(errors, recruitTemplates, classKeys, itemKeys,
     if (!classKeys.has(unit.classKey)) {
       errors.push(`${context}: unknown classKey "${unit.classKey}"`);
     }
-    if (!Number.isInteger(unit.level) || unit.level < 1) {
-      errors.push(`${context}: invalid level ${unit.level}`);
-    }
-    if (!Number.isInteger(unit.exp) || unit.exp < 0) {
-      errors.push(`${context}: invalid exp ${unit.exp}`);
-    }
+    validateCharacterProgress(errors, unit, context);
     if (!Number.isInteger(unit.hp) || !Number.isInteger(unit.maxHp) || unit.hp < 1 || unit.maxHp < 1 || unit.hp > unit.maxHp) {
       errors.push(`${context}: invalid hp ${unit.hp}/${unit.maxHp}`);
     }
@@ -121,6 +116,19 @@ function validateStats(errors, stats, context) {
   });
 }
 
+function validateCharacterProgress(errors, unit, context) {
+  if (!Number.isInteger(unit.level) || unit.level < 1) {
+    errors.push(`${context}: invalid level ${unit.level}`);
+  }
+  if (!Number.isInteger(unit.exp) || unit.exp < 0) {
+    errors.push(`${context}: invalid exp ${unit.exp}`);
+  } else if (Number.isInteger(unit.level) && unit.level < 99 && unit.exp >= 100) {
+    errors.push(`${context}: exp ${unit.exp} should be below 100 before max level`);
+  } else if (Number.isInteger(unit.level) && unit.level >= 99 && unit.exp > 100) {
+    errors.push(`${context}: max level exp ${unit.exp} should be at most 100`);
+  }
+}
+
 function validateEquipment(errors, equipment, itemKeys, itemCatalog, equipmentSlots, context) {
   if (!equipment || typeof equipment !== 'object') {
     errors.push(`${context}: missing equipment`);