diff --git a/src/main/java/net/mcreator/superbwarfare/event/LivingEventHandler.java b/src/main/java/net/mcreator/superbwarfare/event/LivingEventHandler.java
index 317e26c4d..4c574f95a 100644
--- a/src/main/java/net/mcreator/superbwarfare/event/LivingEventHandler.java
+++ b/src/main/java/net/mcreator/superbwarfare/event/LivingEventHandler.java
@@ -324,6 +324,7 @@ public class LivingEventHandler {
 
         if (DamageTypeTool.isGunDamage(source)) {
             handleKillingTallyAddCount(stack);
+            handleSubsistence(stack, attacker);
         }
     }
 
@@ -388,7 +389,7 @@ public class LivingEventHandler {
 
         int fourthTimesCharmTick = stack.getOrCreateTag().getInt("FourthTimesCharmTick");
         if (fourthTimesCharmTick <= 0) {
-            stack.getOrCreateTag().putInt("FourthTimesCharmTick", 60);
+            stack.getOrCreateTag().putInt("FourthTimesCharmTick", 40 + 10 * level);
             stack.getOrCreateTag().putInt("FourthTimesCharmCount", 1);
         } else {
             int count = stack.getOrCreateTag().getInt("FourthTimesCharmCount");
@@ -398,4 +399,28 @@ public class LivingEventHandler {
         }
     }
 
+    private static void handleSubsistence(ItemStack stack, Player player) {
+        int level = PerkHelper.getItemPerkLevel(ModPerks.SUBSISTENCE.get(), stack);
+        if (level == 0) {
+            return;
+        }
+
+        float rate = level * 0.1f + (stack.is(ModTags.Items.SMG) || stack.is(ModTags.Items.RIFLE) ? 0.17f : 0f);
+        int mag = stack.getOrCreateTag().getInt("mag");
+        int ammoReload = (int) Math.min(mag, mag * rate);
+
+        player.getCapability(ModVariables.PLAYER_VARIABLES_CAPABILITY, null)
+                .ifPresent(capability -> {
+                    if (stack.is(ModTags.Items.RIFLE)) {
+                        capability.rifleAmmo -= Math.min(capability.rifleAmmo, ammoReload);
+                    } else if (stack.is(ModTags.Items.SMG) || stack.is(ModTags.Items.HANDGUN)) {
+                        capability.handgunAmmo -= Math.min(capability.handgunAmmo, ammoReload);
+                    }
+                    capability.syncPlayerVariables(player);
+
+                    stack.getOrCreateTag().putInt("ammo", ammoReload);
+                }
+        );
+    }
+
 }
diff --git a/src/main/java/net/mcreator/superbwarfare/init/ModPerks.java b/src/main/java/net/mcreator/superbwarfare/init/ModPerks.java
index 87ea416ea..dc86ddf71 100644
--- a/src/main/java/net/mcreator/superbwarfare/init/ModPerks.java
+++ b/src/main/java/net/mcreator/superbwarfare/init/ModPerks.java
@@ -45,6 +45,7 @@ public class ModPerks {
 
     public static final RegistryObject<Perk> HEAL_CLIP = FUNC_PERKS.register("heal_clip", () -> new Perk("heal_clip", Perk.Type.FUNCTIONAL));
     public static final RegistryObject<Perk> FOURTH_TIMES_CHARM = FUNC_PERKS.register("fourth_times_charm", () -> new Perk("fourth_times_charm", Perk.Type.FUNCTIONAL));
+    public static final RegistryObject<Perk> SUBSISTENCE = FUNC_PERKS.register("subsistence", () -> new Perk("subsistence", Perk.Type.FUNCTIONAL));
 
     /**
      * Damage Perks
diff --git a/src/main/java/net/mcreator/superbwarfare/init/ModTags.java b/src/main/java/net/mcreator/superbwarfare/init/ModTags.java
index 3ab28d4e9..b935c6d3e 100644
--- a/src/main/java/net/mcreator/superbwarfare/init/ModTags.java
+++ b/src/main/java/net/mcreator/superbwarfare/init/ModTags.java
@@ -10,11 +10,13 @@ public class ModTags {
 
     public static class Items {
         public static final TagKey<Item> GUN = tag("gun");
+
         public static final TagKey<Item> HANDGUN = tag("handgun");
         public static final TagKey<Item> RIFLE = tag("rifle");
         public static final TagKey<Item> SHOTGUN = tag("shotgun");
         public static final TagKey<Item> SNIPER_RIFLE = tag("sniper_rifle");
         public static final TagKey<Item> SMG = tag("smg");
+
         public static final TagKey<Item> NORMAL_GUN = tag("normal_gun");
         public static final TagKey<Item> LEGENDARY_GUN = tag("legendary_gun");
         public static final TagKey<Item> SPECIAL_GUN = tag("special_gun");
diff --git a/src/main/resources/assets/superbwarfare/lang/en_us.json b/src/main/resources/assets/superbwarfare/lang/en_us.json
index dc6005620..fc318b7a7 100644
--- a/src/main/resources/assets/superbwarfare/lang/en_us.json
+++ b/src/main/resources/assets/superbwarfare/lang/en_us.json
@@ -191,6 +191,8 @@
   "des.superbwarfare.heal_clip": "Reloading after dealing a final blow will heal you and your nearby allies",
   "item.superbwarfare.fourth_times_charm": "Fourth Time's The Charm",
   "des.superbwarfare.fourth_times_charm": "Rapidly landing precision hits will return two rounds to the magazine",
+  "item.superbwarfare.subsistence": "Subsistence",
+  "des.superbwarfare.subsistence": "Defeating targets partially reloads the magazine from reserves",
 
   "item.superbwarfare.kill_clip": "Kill Clip",
   "des.superbwarfare.kill_clip": "Increases the damage of weapon after dealing a final blow",
diff --git a/src/main/resources/assets/superbwarfare/lang/zh_cn.json b/src/main/resources/assets/superbwarfare/lang/zh_cn.json
index 8a0ebbb4d..b3d55588f 100644
--- a/src/main/resources/assets/superbwarfare/lang/zh_cn.json
+++ b/src/main/resources/assets/superbwarfare/lang/zh_cn.json
@@ -191,6 +191,8 @@
   "des.superbwarfare.heal_clip": "最后一击后短时间内填装，可治疗自身和附近队友",
   "item.superbwarfare.fourth_times_charm": "事不过四",
   "des.superbwarfare.fourth_times_charm": "快速精准命中目标会向弹匣中返还两枚弹药",
+  "item.superbwarfare.subsistence": "维持生计",
+  "des.superbwarfare.subsistence": "消灭目标会使弹药从备弹中转移并填装部分弹匣",
 
   "item.superbwarfare.kill_clip": "杀戮弹匣",
   "des.superbwarfare.kill_clip": "完成击杀后填装可提升武器伤害",