diff --git a/src/com/massivecraft/massivecore/SimpleConfig.java b/src/com/massivecraft/massivecore/SimpleConfig.java
index 6b008963..cab74c88 100644
--- a/src/com/massivecraft/massivecore/SimpleConfig.java
+++ b/src/com/massivecraft/massivecore/SimpleConfig.java
@@ -67,7 +67,7 @@ public class SimpleConfig
 			{
 				try
 				{
-					toShallowLoad = this.getClass().newInstance();
+					toShallowLoad = this.getClass().getDeclaredConstructor().newInstance();
 				}
 				catch (Exception e)
 				{
diff --git a/src/com/massivecraft/massivecore/command/type/enumeration/TypePermissionDefault.java b/src/com/massivecraft/massivecore/command/type/enumeration/TypePermissionDefault.java
new file mode 100644
index 00000000..2562b74b
--- /dev/null
+++ b/src/com/massivecraft/massivecore/command/type/enumeration/TypePermissionDefault.java
@@ -0,0 +1,18 @@
+package com.massivecraft.massivecore.command.type.enumeration;
+
+import org.bukkit.permissions.PermissionDefault;
+
+public class TypePermissionDefault extends TypeEnum<PermissionDefault>
+{
+	// -------------------------------------------- //
+	// INSTANCE & CONSTRUCT
+	// -------------------------------------------- //
+	
+	private static TypePermissionDefault i = new TypePermissionDefault();
+	public static TypePermissionDefault get() { return i; }
+	public TypePermissionDefault()
+	{
+		super(PermissionDefault.class);
+	}
+	
+}
diff --git a/src/com/massivecraft/massivecore/event/EventMassiveCorePlayerUpdate.java b/src/com/massivecraft/massivecore/event/EventMassiveCorePlayerUpdate.java
index 17ee1cba..3f1b961b 100644
--- a/src/com/massivecraft/massivecore/event/EventMassiveCorePlayerUpdate.java
+++ b/src/com/massivecraft/massivecore/event/EventMassiveCorePlayerUpdate.java
@@ -2,7 +2,7 @@ package com.massivecraft.massivecore.event;
 
 import com.massivecraft.massivecore.collections.MassiveSet;
 import com.massivecraft.massivecore.util.MUtil;
-import org.bukkit.entity.Damageable;
+import org.bukkit.attribute.Attribute;
 import org.bukkit.entity.Player;
 import org.bukkit.event.HandlerList;
 
@@ -113,7 +113,7 @@ public class EventMassiveCorePlayerUpdate extends EventMassiveCore
 		if (getMaxHealth(player) == maxHealth) return false;
 		
 		// Apply
-		player.setMaxHealth(maxHealth);
+		player.getAttribute(Attribute.GENERIC_MAX_HEALTH).setBaseValue(maxHealth);
 		
 		// Return
 		return true;
@@ -121,10 +121,9 @@ public class EventMassiveCorePlayerUpdate extends EventMassiveCore
 	
 	public static double getMaxHealth(Player player, boolean current)
 	{
-		if ( ! current) return 20D; 
-		
-		Damageable d = (Damageable) player;
-		return d.getMaxHealth();
+		if ( ! current) player.getAttribute(Attribute.GENERIC_MAX_HEALTH).getDefaultValue();
+
+		return player.getAttribute(Attribute.GENERIC_MAX_HEALTH).getBaseValue();
 	}
 	
 	public static double getMaxHealth(Player player)
diff --git a/src/com/massivecraft/massivecore/store/EntityContainerAbstract.java b/src/com/massivecraft/massivecore/store/EntityContainerAbstract.java
index b692c268..88f16b66 100644
--- a/src/com/massivecraft/massivecore/store/EntityContainerAbstract.java
+++ b/src/com/massivecraft/massivecore/store/EntityContainerAbstract.java
@@ -214,7 +214,7 @@ public abstract class EntityContainerAbstract<E extends EntityInternal<E>> imple
 	{
 		try
 		{
-			return this.getEntityClass().newInstance();
+			return this.getEntityClass().getDeclaredConstructor().newInstance();
 		}
 		catch (Exception e)
 		{
diff --git a/src/com/massivecraft/massivecore/util/ChunkUtil.java b/src/com/massivecraft/massivecore/util/ChunkUtil.java
index 2495e0e7..effe59fd 100644
--- a/src/com/massivecraft/massivecore/util/ChunkUtil.java
+++ b/src/com/massivecraft/massivecore/util/ChunkUtil.java
@@ -1,9 +1,9 @@
 package com.massivecraft.massivecore.util;
 
 import com.massivecraft.massivecore.collections.MassiveSet;
-import com.massivecraft.massivecore.predicate.Predicate;
 import com.massivecraft.massivecore.ps.PS;
 
+import java.util.function.Predicate;
 import java.util.Set;
 
 public class ChunkUtil
@@ -89,7 +89,7 @@ public class ChunkUtil
 			for (PS neighbour : neighbours)
 			{
 				if (set.contains(neighbour)) continue;
-				if ( ! matcher.apply(neighbour)) continue;
+				if ( ! matcher.test(neighbour)) continue;
 
 				expansion.add(neighbour);
 			}
diff --git a/src/com/massivecraft/massivecore/util/ReflectionUtil.java b/src/com/massivecraft/massivecore/util/ReflectionUtil.java
index b25716b4..4d2d4ac0 100644
--- a/src/com/massivecraft/massivecore/util/ReflectionUtil.java
+++ b/src/com/massivecraft/massivecore/util/ReflectionUtil.java
@@ -213,7 +213,7 @@ public class ReflectionUtil
 	{
 		try
 		{
-			return (T) clazz.newInstance();
+			return (T) clazz.getDeclaredConstructor().newInstance();
 		}
 		catch (Exception e)
 		{
diff --git a/src/com/massivecraft/massivecore/util/Txt.java b/src/com/massivecraft/massivecore/util/Txt.java
index 3f818b96..c1cacb42 100644
--- a/src/com/massivecraft/massivecore/util/Txt.java
+++ b/src/com/massivecraft/massivecore/util/Txt.java
@@ -5,7 +5,6 @@ import com.massivecraft.massivecore.collections.MassiveList;
 import com.massivecraft.massivecore.command.MassiveCommand;
 import com.massivecraft.massivecore.mson.Mson;
 import com.massivecraft.massivecore.mson.MsonEvent;
-import com.massivecraft.massivecore.predicate.Predicate;
 import com.massivecraft.massivecore.predicate.PredicateStartsWithIgnoreCase;
 import org.bukkit.ChatColor;
 import org.bukkit.Material;
@@ -23,6 +22,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
+import java.util.function.Predicate;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -852,7 +852,7 @@ public class Txt
 		// Fill Ret
 		for (T element : elements)
 		{
-			if ( ! predicate.apply(element)) continue;
+			if ( ! predicate.test(element)) continue;
 			ret.add(element);
 		}