Проще логика, новые проверки.

classes/Battles/DressedItems.php

@@ -60,57 +60,57 @@ SQL;
         return self::$db->fetch($query, $this->USERID);
     }
 
-    public function getStrengthBonus(): int
+    public function getStrengthBonus(): ?int
     {
         return self::getBonuses()['sum_strength'];
     }
 
-    public function getDexterityBonus(): int
+    public function getDexterityBonus(): ?int
     {
         return self::getBonuses()['sum_dexterity'];
     }
 
-    public function getIntuitionBonus(): int
+    public function getIntuitionBonus(): ?int
     {
         return self::getBonuses()['sum_intuition'];
     }
 
-    public function getEnduranceBonus(): int
+    public function getEnduranceBonus(): ?int
     {
         return self::getBonuses()['sum_endurance'];
     }
 
-    public function getIntelliganceBonus(): int
+    public function getIntelliganceBonus(): ?int
     {
         return self::getBonuses()['sum_intelligence'];
     }
 
-    public function getWisdomBonus(): int
+    public function getWisdomBonus(): ?int
     {
         return self::getBonuses()['sum_wisdom'];
     }
 
-    public function getAccuracyBonus(): int
+    public function getAccuracyBonus(): ?int
     {
         return self::getBonuses()['sum_accuracy'] ?? 0;
     }
 
-    public function getEvasionBonus(): int
+    public function getEvasionBonus(): ?int
     {
         return self::getBonuses()['sum_evasion'] ?? 0;
     }
 
-    public function getCriticalsBonus(): int
+    public function getCriticalsBonus(): ?int
     {
         return self::getBonuses()['sum_criticals'] ?? 0;
     }
 
-    public function getMinPhysDamage(): int
+    public function getMinPhysDamage(): ?int
     {
         return self::getBonuses()['sum_min_phys_damage'];
     }
 
-    public function getMaxPhysDamage(): int
+    public function getMaxPhysDamage(): ?int
     {
         return self::getBonuses()['sum_max_phys_damage'];
     }