Scripts/Ulduar/XT-002:

- Fix Boombot's explosion visual and damage (workarounds are torroughly explained in code)
- Proper scrapbot vehicle enter handling. (Missing data on how much HP they should restore on the boss, however)

src/server/game/Spells/SpellMgr.cpp

@@ -4023,6 +4023,15 @@ void SpellMgr::LoadSpellCustomAttr()
             spellInfo->MaxAffectedTargets = 1;
             count++;
             break;
+        case 62834: // Boom
+        // This hack is here because we suspect our implementation of spell effect execution on targets
+        // is done in the wrong order. We suspect that EFFECT_0 needs to be applied on all targets,
+        // then EFFECT_1, etc - instead of applying each effect on target1, then target2, etc.
+        // The above situation causes the visual for this spell to be bugged, so we remove the instakill
+        // effect and implement a script hack for that.
+            spellInfo->Effect[EFFECT_1] = 0;
+            count++;
+            break;
         // ENDOF ULDUAR SPELLS
         //
         // ICECROWN CITADEL SPELLS