Core/Spells: fix some DB errors

Port From (https://github.com/TrinityCore/TrinityCore/commit/16ec008290861573fac7137af054be6d9642712f)

Source/Game/Spells/SpellManager.cs

@@ -3510,6 +3510,14 @@ namespace Game.Entities
                         break;
                     // ENDOF ISLE OF CONQUEST SPELLS
                     //
+                    // Aura of Fear
+                    case 40453:
+                            // Bad DBC data? Copying 25820 here due to spell description
+                            // either is a periodic with chance on tick, or a proc
+                            spellInfo.GetEffect(0).ApplyAuraName = AuraType.ProcTriggerSpell;
+                            spellInfo.GetEffect(0).ApplyAuraPeriod = 0;
+                            spellInfo.ProcChance = 10;
+                        break;
                     // FIRELANDS SPELLS
                     // Torment Searcher
                     case 99253:

Source/Scripts/Spells/Generic.cs

@@ -614,6 +614,29 @@ namespace Scripts.Spells.Generic
         }
     }
 
+    [Script] // 28313 - Aura of Fear
+    class spell_gen_aura_of_fear : AuraScript
+    {
+        public override bool Validate(SpellInfo spellInfo)
+        {
+            return ValidateSpellInfo(spellInfo.GetEffect(0).TriggerSpell);
+        }
+
+        void PeriodicTick(AuraEffect aurEff)
+        {
+            PreventDefaultAction();
+            if (!RandomHelper.randChance(GetSpellInfo().ProcChance))
+                return;
+
+            GetTarget().CastSpell((Unit)null, GetSpellInfo().GetEffect(aurEff.GetEffIndex()).TriggerSpell, true);
+        }
+
+        public override void Register()
+        {
+            OnEffectPeriodic.Add(new EffectPeriodicHandler(PeriodicTick, 0, AuraType.PeriodicTriggerSpell));
+        }
+    }
+    
     [Script]
     class spell_gen_aura_service_uniform : AuraScript
     {
@@ -1961,6 +1984,20 @@ namespace Scripts.Spells.Generic
         }
     }
 
+    [Script]
+    class spell_gen_proc_charge_drop_only : AuraScript
+    {
+        void HandleChargeDrop(ProcEventInfo eventInfo)
+        {
+            PreventDefaultAction();
+        }
+
+        public override void Register()
+        {
+            OnProc.Add(new AuraProcHandler(HandleChargeDrop));
+        }
+    }
+    
     [Script] // 45472 Parachute
     class spell_gen_parachute : AuraScript
     {

sql/updates/world/master/2021_03_17_00_world_2017_12_20_00_world.sql

@@ -0,0 +1,13 @@
+DELETE FROM `spell_proc` WHERE `SpellId` IN (45092/*, 50871*/);
+INSERT INTO `spell_proc` (`SpellId`, `SchoolMask`, `SpellFamilyName`, `SpellFamilyMask0`, `SpellFamilyMask1`, `SpellFamilyMask2`, `ProcFlags`, `SpellTypeMask`, `SpellPhaseMask`, `HitMask`, `AttributesMask`, `ProcsPerMinute`, `Chance`, `Cooldown`, `Charges`) VALUES
+(45092, 0x0, 0, 0x00000000, 0x00000000, 0x00000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0, 0, 0, 0); -- Faction, Spar Buddy (SERVERSIDE) - needed to drop charge
+-- (50871, 0x0, 9, 0x00000000, 0x40000000, 0x00000000, 0x0, 0x1, 0x2, 0x2, 0x0, 0, 0, 0, 0); -- Savage Rend
+
+DELETE FROM `spell_script_names` WHERE `ScriptName` IN ('spell_gen_aura_of_fear'/*,'spell_gen_choking_vines'*/);
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(28313, 'spell_gen_aura_of_fear');
+-- (35244, 'spell_gen_choking_vines');
+
+DELETE FROM `spell_script_names` WHERE `ScriptName`='spell_gen_proc_charge_drop_only' AND `spell_id`=45092;
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(45092, 'spell_gen_proc_charge_drop_only');