diff --git a/data/sql/updates/pending_db_world/rev_1648289846118024900.sql b/data/sql/updates/pending_db_world/rev_1648289846118024900.sql
new file mode 100644
index 000000000..96fbdcc31
--- /dev/null
+++ b/data/sql/updates/pending_db_world/rev_1648289846118024900.sql
@@ -0,0 +1,8 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1648289846118024900');
+
+-- Fix selectable doors
+UPDATE `gameobject_template_addon` SET `faction` = 114, `flags` = `flags`|32 WHERE `entry` IN (176964, 179117, 179365);
+UPDATE `gameobject_template_addon` SET `flags` = `flags`|4 WHERE `entry` = 179115;
+
+-- Fix Blackwing technicians spawn time
+UPDATE `creature` SET `spawntimesecs` = 604800 WHERE `id1` = 13996;
diff --git a/src/server/game/Spells/SpellInfoCorrections.cpp b/src/server/game/Spells/SpellInfoCorrections.cpp
index a90200076..c7f494b15 100644
--- a/src/server/game/Spells/SpellInfoCorrections.cpp
+++ b/src/server/game/Spells/SpellInfoCorrections.cpp
@@ -4168,6 +4168,11 @@ void SpellMgr::LoadSpellInfoCorrections()
         spellInfo->AttributesEx2 |= SPELL_ATTR2_IGNORE_LINE_OF_SIGHT;
     });
 
+    ApplySpellFix({ 22247 }, [](SpellInfo* spellInfo)
+    {
+        spellInfo->AttributesCu |= SPELL_ATTR0_CU_DONT_BREAK_STEALTH;
+    });
+
     // Manastorm
     ApplySpellFix({ 21097 }, [](SpellInfo* spellInfo)
     {
diff --git a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/boss_vaelastrasz.cpp b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/boss_vaelastrasz.cpp
index 6208ef50f..736c99ed7 100644
--- a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/boss_vaelastrasz.cpp
+++ b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/boss_vaelastrasz.cpp
@@ -124,7 +124,7 @@ public:
 
             events.ScheduleEvent(EVENT_CLEAVE, 10000);
             events.ScheduleEvent(EVENT_FLAME_BREATH, 15000);
-            events.ScheduleEvent(EVENT_FIRE_NOVA, 20000);
+            events.ScheduleEvent(EVENT_FIRE_NOVA, 5000);
             events.ScheduleEvent(EVENT_TAIL_SWEEP, 11000);
             events.ScheduleEvent(EVENT_BURNING_ADRENALINE, 15000);
         }
@@ -220,7 +220,7 @@ public:
                         break;
                     case EVENT_FIRE_NOVA:
                         DoCastVictim(SPELL_FIRE_NOVA);
-                        events.ScheduleEvent(EVENT_FIRE_NOVA, 15000);
+                        events.ScheduleEvent(EVENT_FIRE_NOVA, urand(3000, 5000));
                         break;
                     case EVENT_TAIL_SWEEP:
                         DoCastAOE(SPELL_TAIL_SWEEP);