Use finals rather than local variables.

src/main/java/com/gmail/nossr50/skills/archery/Archery.java

@@ -18,12 +18,14 @@ public class Archery {
     private static List<TrackedEntity> trackedEntities = new ArrayList<TrackedEntity>();
 
     public static final int ARROW_TRACKING_MAX_BONUS_LEVEL = advancedConfig.getRetrieveMaxBonusLevel();
+    public static final int ARROW_TRACKING_MAX_BONUS = advancedConfig.getRetrieveBonusMax();
 
     public static final int BONUS_DAMAGE_INCREASE_LEVEL = advancedConfig.getSkillShotIncreaseLevel();
     public static final double BONUS_DAMAGE_INCREASE_PERCENT = advancedConfig.getSkillShotIncreasePercentage();
     public static final double BONUS_DAMAGE_MAX_BONUS_PERCENTAGE = advancedConfig.getSkillShotBonusMax();
 
     public static final int DAZE_MAX_BONUS_LEVEL = advancedConfig.getDazeMaxBonusLevel();
+    public static final int DAZE_MAX_BONUS = advancedConfig.getDazeBonusMax();
     public static final int DAZE_MODIFIER = advancedConfig.getDazeModifier();
 
     protected static void incrementTrackerValue(LivingEntity livingEntity) {

src/main/java/com/gmail/nossr50/skills/archery/ArcheryManager.java

@@ -4,25 +4,17 @@ import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
 import org.bukkit.event.entity.EntityDamageEvent;
 
-import com.gmail.nossr50.config.AdvancedConfig;
 import com.gmail.nossr50.datatypes.PlayerProfile;
 import com.gmail.nossr50.datatypes.SkillType;
 import com.gmail.nossr50.util.Permissions;
 import com.gmail.nossr50.util.Users;
 
 public class ArcheryManager {
-    AdvancedConfig advancedConfig = AdvancedConfig.getInstance();
-
     private Player player;
     private PlayerProfile profile;
     private int skillLevel;
     private Permissions permissionsInstance;
 
-    private float dazeBonusMax = advancedConfig.getDazeBonusMax();
-    private float dazeMaxBonusLevel = advancedConfig.getDazeMaxBonusLevel();
-    private float retrieveBonusMax = advancedConfig.getRetrieveBonusMax();
-    private float retrieveMaxBonusLevel = advancedConfig.getRetrieveMaxBonusLevel();
-
     public ArcheryManager (Player player) {
         this.player = player;
         this.profile = Users.getProfile(player);
@@ -57,7 +49,7 @@ public class ArcheryManager {
         if (player.hasPermission("mcmmo.perks.lucky.archery")) {
             randomChance = (int) (randomChance * 0.75);
         }
-        final float chance = (float) (((double) retrieveBonusMax / (double) retrieveMaxBonusLevel) * skillLevel);
+        final float chance = (float) (((double) Archery.ARROW_TRACKING_MAX_BONUS / (double) Archery.ARROW_TRACKING_MAX_BONUS_LEVEL) * skillLevel);
         if (chance > Archery.getRandom().nextInt(randomChance)) {
             eventHandler.addToTracker();
         }
@@ -88,7 +80,7 @@ public class ArcheryManager {
             randomChance = (int) (randomChance * 0.75);
         }
 
-        final float chance = (float) (((double) dazeBonusMax / (double) dazeMaxBonusLevel) * skillLevel);
+        final float chance = (float) (((double) Archery.DAZE_MAX_BONUS / (double) Archery.DAZE_MAX_BONUS_LEVEL) * skillLevel);
         if (chance > Archery.getRandom().nextInt(randomChance)) {
             eventHandler.handleDazeEffect();
             eventHandler.sendAbilityMessages();