Horsefly Swamp update

Creatures & encounter tables to support Horsefly swamp expansion.

_module/nss/slaying_arrow.nss

@@ -0,0 +1,20 @@
+#include "NW_I0_SPELLS"
+#include "prc_inc_spells"
+
+void main()
+{
+    object oOrigin = OBJECT_SELF ;               // Where the spell came from
+    object oTarget = PRCGetSpellTargetObject();  // What the spell is aimed at
+
+    effect eDeath = EffectDeath();
+    effect eVis = EffectVisualEffect(VFX_IMP_DEATH);
+    int nRace = GetRacialType(oTarget);
+    if ((  nRace == RACIAL_TYPE_CONSTRUCT ) || ( nRace == RACIAL_TYPE_UNDEAD ))
+        eDeath = SupernaturalEffect(eDeath);
+
+    if ( !PRCMySavingThrow(SAVING_THROW_FORT,oTarget,20,SAVING_THROW_TYPE_DEATH,oOrigin ) )
+    {
+        ApplyEffectToObject(DURATION_TYPE_INSTANT,eDeath,oTarget);
+        ApplyEffectToObject(DURATION_TYPE_INSTANT,eVis,oTarget);
+    }
+}