Index: scripts/eastern_kingdoms/karazhan/boss_nightbane.cpp
===================================================================
--- scripts/eastern_kingdoms/karazhan/boss_nightbane.cpp	(revision 1677)
+++ scripts/eastern_kingdoms/karazhan/boss_nightbane.cpp	(working copy)
@@ -22,15 +22,294 @@
 EndScriptData */
 
 #include "precompiled.h"
+#include "karazhan.h"
 
 enum
 {
-    SPELL_BELLOWING_ROAR        = 39427,
+    SPELL_BELLOWING_ROAR        = 36922,
     SPELL_CHARRED_EARTH         = 30129,                    //Also 30209 (Target Charred Earth) triggers this
     SPELL_DISTRACTING_ASH       = 30130,
     SPELL_SMOLDERING_BREATH     = 30210,
     SPELL_TAIL_SWEEP            = 25653,
     SPELL_RAIN_OF_BONES         = 37098,
     SPELL_SMOKING_BLAST         = 37057,
-    SPELL_FIREBALL_BARRAGE      = 30282
+    SPELL_FIREBALL_BARRAGE      = 30282,
+    SPELL_CLEAVE                = 30131,
+
+    NPC_RESTLESS_SKELETON       = 17261,
+
+    POINT_ID_AIR                = 1,
+    POINT_ID_LAND               = 2
 };
+
+struct Locations
+{
+    float x, y, z;
+};
+
+static Locations Flight[]=
+{
+	{-11171.26f, -1879.95f, 104.0f},
+    {-11154.85f, -1894.43f, 91.47f}
+};
+
+struct MANGOS_DLL_DECL boss_nightbaneAI : public ScriptedAI
+{
+    boss_nightbaneAI(Creature *pCreature) : ScriptedAI(pCreature)
+    {
+        m_pInstance = (ScriptedInstance*)pCreature->GetInstanceData();
+        Reset();
+    }
+
+    ScriptedInstance* m_pInstance;
+
+    // Ground State
+    uint32 Bellowing_Timer;
+    uint32 Charred_Timer;
+    uint32 Distracting_Timer;
+    uint32 Smoldering_Timer;
+    uint32 Cleave_Timer;
+    uint32 Tail_Timer;
+
+    // Air State
+    uint32 Fly_Timer;
+    uint32 Rain_Timer;
+    uint32 Summon_Timer;
+    uint32 Smoking_Timer;
+    uint32 Fireball_Timer;
+
+    uint32 Phase;
+    Locations Summon_Loc;
+    bool Flying;
+    bool Landed;
+
+    void Reset()
+    {
+        // Ground State
+        Bellowing_Timer = urand(45000, 60000);
+        Charred_Timer = urand(20000, 40000);
+        Distracting_Timer = urand(40000, 70000);
+        Smoldering_Timer = 30000;
+        Cleave_Timer = urand(5000, 10000);
+        Tail_Timer = 5000;
+        Summon_Loc.x = Flight[1].x;
+        Summon_Loc.y = Flight[1].y;
+        Summon_Loc.z = Flight[1].z;
+        Phase = 1;
+
+        Flying = false;
+        Landed = false;
+
+        if (m_pInstance)
+            m_pInstance->SetData(TYPE_NIGHTBANE, NOT_STARTED);
+
+        m_creature->SetHover(false);
+        m_creature->RemoveSplineFlag(SPLINEFLAG_FLYING);
+        m_creature->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NOT_SELECTABLE);
+    }
+
+    void JustDied(Unit* Killer)
+    {
+        if (m_pInstance)
+            m_pInstance->SetData(TYPE_NIGHTBANE, DONE);
+    }
+
+    void Aggro(Unit *who)
+    {
+        if (m_pInstance)
+            m_pInstance->SetData(TYPE_NIGHTBANE, IN_PROGRESS);
+
+        m_creature->SetInCombatWithZone();
+    }
+
+    void MovementInform(uint32 uiType, uint32 uiPointId)
+    {
+        if (uiType != POINT_MOTION_TYPE)
+            return;
+
+        if (uiPointId == POINT_ID_AIR)
+        {
+            Rain_Timer = 2000;
+            Fireball_Timer = 5000;
+            Smoking_Timer = 999999;
+            Summon_Timer = 999999;
+            Fly_Timer = 999999;
+            m_creature->SetHover(true);
+            return;
+        }
+
+        if (uiPointId == POINT_ID_LAND)
+        {
+            Bellowing_Timer = urand(45000, 60000);
+            Charred_Timer = urand(20000, 40000);
+            Distracting_Timer = urand(40000, 70000);
+            Smoldering_Timer = 30000;
+            Cleave_Timer = urand(5000, 10000);
+            Tail_Timer = 5000;
+            Flying = false;
+            m_creature->RemoveSplineFlag(SPLINEFLAG_FLYING);
+            m_creature->HandleEmoteCommand(EMOTE_ONESHOT_LAND);
+            m_creature->SetHover(false);
+            DoResetThreat();
+            Landed = true;
+            return;
+        }
+    }
+
+    void UpdateAI(const uint32 diff)
+    {
+        if (!m_creature->SelectHostileTarget() || !m_creature->getVictim() || m_creature->GetMotionMaster()->GetCurrentMovementGeneratorType() == POINT_MOTION_TYPE) 
+            return;
+
+        if ((m_creature->GetHealthPercent() <= 75 && Phase == 1) ||
+            (m_creature->GetHealthPercent() <= 50 && Phase == 2) ||
+            (m_creature->GetHealthPercent() <= 25 && Phase == 3))
+        {
+            m_creature->InterruptNonMeleeSpells(false);
+            m_creature->HandleEmoteCommand(EMOTE_ONESHOT_LIFTOFF);
+            m_creature->SetSplineFlags(SPLINEFLAG_FLYING);
+            Flying = true;
+            m_creature->GetMotionMaster()->MovePoint(POINT_ID_AIR, Flight[0].x, Flight[0].y, Flight[0].z);
+            Phase++;
+        }
+
+        if (Landed)
+        {
+            m_creature->GetMotionMaster()->MoveChase(m_creature->getVictim());
+            Landed = false;
+        }
+
+        if (!Flying)
+        {
+            if (Bellowing_Timer < diff)
+            {
+                DoCast(m_creature, SPELL_BELLOWING_ROAR);
+                Bellowing_Timer = urand(45000, 60000);
+            }
+            else
+                Bellowing_Timer -= diff;
+
+            if (Distracting_Timer < diff)
+            {
+                if (Unit* pTarget = SelectUnit(SELECT_TARGET_RANDOM, 0))
+                    DoCast(pTarget, SPELL_DISTRACTING_ASH);
+                Distracting_Timer = urand(40000, 70000);
+            }
+            else
+                Distracting_Timer -= diff;
+
+            if (Charred_Timer < diff)
+            {
+                if (Unit* pTarget = SelectUnit(SELECT_TARGET_RANDOM, 0))
+                    DoCast(pTarget, SPELL_CHARRED_EARTH);
+                Charred_Timer = urand(20000, 40000);
+            }
+            else
+                Charred_Timer -= diff;
+
+            if (Cleave_Timer < diff)
+            {
+                DoCast(m_creature->getVictim(), SPELL_CLEAVE);
+                Cleave_Timer = 10000;
+            }
+            else
+                Cleave_Timer -= diff;
+
+            if (Smoldering_Timer <diff)
+            {
+                DoCast(m_creature->getVictim(), SPELL_SMOLDERING_BREATH);
+                Smoldering_Timer = 30000;
+            }
+            else
+                Smoldering_Timer -= diff;
+
+            if (Tail_Timer <diff)
+            {
+                DoCast(m_creature, SPELL_TAIL_SWEEP);
+                Tail_Timer = 5000;
+            }
+            else
+                Tail_Timer -= diff;
+
+            DoMeleeAttackIfReady();
+        }
+        else
+        {
+            if (Rain_Timer < diff)
+            {
+                if (Unit* pTarget = SelectUnit(SELECT_TARGET_RANDOM, 0))
+                {
+                    DoCast(pTarget, SPELL_RAIN_OF_BONES);
+                    Summon_Loc.x = pTarget->GetPositionX();
+                    Summon_Loc.y = pTarget->GetPositionY();
+                    Summon_Loc.z = pTarget->GetPositionZ();
+                    Summon_Timer = 5000;
+                    Smoking_Timer = 12000;
+                    Rain_Timer = 999999;
+                }
+            }
+            else
+                Rain_Timer -= diff;
+
+            if (Summon_Timer < diff)
+            {
+                for (uint8 i = 0; i < 5; ++i)
+                {
+                    Creature* pSummoned = m_creature->SummonCreature(NPC_RESTLESS_SKELETON, Summon_Loc.x-5+urand(0, 10), Summon_Loc.y-5+urand(0, 10), Summon_Loc.z, 0, TEMPSUMMON_TIMED_OR_CORPSE_DESPAWN, 900000);
+                    pSummoned->SetInCombatWithZone();
+                }
+                Summon_Timer = 999999;
+            }
+            else
+                Summon_Timer -= diff;
+
+            if (Smoking_Timer < diff)
+            {
+                if (Unit* pTarget = SelectUnit(SELECT_TARGET_RANDOM, 0))
+                    DoCast(pTarget, SPELL_SMOKING_BLAST);
+                Fly_Timer = 16000;
+                Smoking_Timer = 999999;
+            }
+            else
+                Smoking_Timer -= diff;
+
+            if (Fireball_Timer < diff)
+            {
+                ThreatList const& lThreatList = m_creature->getThreatManager().getThreatList();
+                for (ThreatList::const_iterator i = lThreatList.begin(); i != lThreatList.end(); ++i)
+                {
+                    if (Unit* pUnit = Unit::GetUnit(*m_creature, (*i)->getUnitGuid()))
+                        if (pUnit->isAlive() && !m_creature->IsWithinDistInMap(pUnit, 40, true))
+                            DoCast(pUnit, SPELL_FIREBALL_BARRAGE);
+                }
+                Fireball_Timer = 1000;
+            }
+            else
+                Fireball_Timer -= diff;
+
+            if (Fly_Timer < diff)
+            {
+                m_creature->InterruptNonMeleeSpells(false);
+                m_creature->GetMotionMaster()->MovePoint(POINT_ID_LAND, Flight[1].x, Flight[1].y, Flight[1].z);
+                Fly_Timer = 9999999;
+            }
+            else
+                Fly_Timer -= diff;
+        }
+    }
+};
+
+CreatureAI* GetAI_boss_nightbane(Creature *pCreature)
+{
+    return new boss_nightbaneAI (pCreature);
+}
+
+void AddSC_boss_nightbane()
+{
+    Script *newscript;
+
+    newscript = new Script;
+    newscript->Name = "boss_nightbane";
+    newscript->GetAI = &GetAI_boss_nightbane;
+    newscript->RegisterSelf();
+}
Index: system/ScriptLoader.cpp
===================================================================
--- system/ScriptLoader.cpp	(revision 1677)
+++ system/ScriptLoader.cpp	(working copy)
@@ -70,6 +70,7 @@
 extern void AddSC_boss_netherspite();
 extern void AddSC_boss_malchezaar();
 extern void AddSC_boss_terestian_illhoof();
+extern void AddSC_boss_nightbane();
 extern void AddSC_netherspite_infernal();
 extern void AddSC_boss_moroes();
 extern void AddSC_bosses_opera();
@@ -474,6 +475,7 @@
     AddSC_boss_netherspite();
     AddSC_boss_malchezaar();
     AddSC_boss_terestian_illhoof();
+    AddSC_boss_nightbane();
     AddSC_netherspite_infernal();
     AddSC_boss_moroes();
     AddSC_bosses_opera();