fixes to miasma special moves.

Scripts/Items/Weapons/Abilities/MortalStrike.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections;
+using Server.Mobiles;
 
 namespace Server.Items
 {
@@ -21,8 +22,13 @@ namespace Server.Items
 
 		public override void OnHit(Mobile attacker, Mobile defender, int damage)
 		{
-			if ( !Validate( attacker ) || !CheckMana( attacker, true ) )
-				return;
+			if( !Validate( attacker ) || !CheckMana( attacker, true ) )
+			{
+				if( !( defender is BaseCreature ) || !( defender as BaseCreature ).HasManaOveride )
+				{
+					return;
+				}
+			}
 
 			ClearCurrentAbility( attacker );
 

Scripts/Mobiles/BaseCreature.cs

@@ -477,6 +477,8 @@ namespace Server.Mobiles
 			}
 		}
 
+		public virtual bool HasManaOveride { get { return false; } }
+
 		public virtual FoodType FavoriteFood{ get{ return FoodType.Meat; } }
 		public virtual PackInstinct PackInstinct{ get{ return PackInstinct.None; } }
 
@@ -5249,7 +5251,7 @@ namespace Server.Mobiles
 					}
 				}
 			}
-			else
+			else if( m_FailedReturnHome > 0 )
 			{
 				m_FailedReturnHome = 0;
 			}

Scripts/Mobiles/Monsters/ML/Labyrinth/Miasma.cs

@@ -42,6 +42,14 @@ namespace Server.Mobiles
 			Karma = -21000;
 		}
 
+			/* yes, this is OSI style */
+		public override double WeaponAbilityChance { get { return .5; } }
+		public override double HitPoisonChance { get { return 0.1; } }
+		public override Poison HitPoison { get { return (  Poison.Lethal ); } }
+		public override bool HasManaOveride { get { return false; } }
+		public override bool GivesMLMinorArtifact { get { return true; } }
+		public override int TreasureMapLevel { get { return 5; } }
+
 		public override void GenerateLoot()
 		{
 			AddLoot( LootPack.UltraRich, 2 );
@@ -83,9 +91,6 @@ namespace Server.Mobiles
 		}
 		*/
 
-		public override bool GivesMLMinorArtifact{ get{ return true; } }
-		public override int TreasureMapLevel{ get{ return 5; } }
-
 		public Miasma( Serial serial )
 			: base( serial )
 		{