diff --git a/common/spdat.h b/common/spdat.h
index c8fd7d845..75d351fc2 100644
--- a/common/spdat.h
+++ b/common/spdat.h
@@ -506,13 +506,13 @@ typedef enum {
 //#define SE_ChangeTriggerType			356	// not used
 #define SE_FcMute						357	// implemented - silences casting of spells that contain specific spell effects (focus limited)
 #define SE_CurrentManaOnce				358	// implemented
-#define SE_Invulnerabilty				359	// *not implemented - Invulnerability (Brell's Blessing)
-#define SE_SpellOnKill					360	// implemented - a buff that has a base1 % to cast spell base2 when you kill a "challenging foe" base3 min level
+//#define SE_PassiveSenseTrap			359	// *not implemented - Invulnerability (Brell's Blessing)
+#define SE_ProcOnKillShot				360	// implemented - a buff that has a base1 % to cast spell base2 when you kill a "challenging foe" base3 min level
 #define SE_SpellOnDeath					361	// implemented - casts spell on death of buffed
 //#define SE_PotionBeltSlots			362	// *not implemented[AA] 'Quick Draw' expands the potion belt by one additional available item slot per rank.
 //#define SE_BandolierSlots				363	// *not implemented[AA] 'Battle Ready' expands the bandolier by one additional save slot per rank.
 #define SE_TripleAttackChance			364	// implemented
-#define SE_SpellOnKill2					365	// implemented - chance to trigger a spell on kill when the kill is caused by a specific spell with this effect in it (10470 Venin)
+#define SE_ProcOnSpellKillShot			365	// implemented - chance to trigger a spell on kill when the kill is caused by a specific spell with this effect in it (10470 Venin)
 #define SE_ShieldEquipDmgMod			366	// implemented[AA] Damage modifier to melee if shield equiped. (base1 = dmg mod , base2 = ?) ie Shield Specialist AA
 #define SE_SetBodyType					367	// implemented - set body type of base1 so it can be affected by spells that are limited to that type (Plant, Animal, Undead, etc)
 //#define SE_FactionMod					368	// *not implemented - increases faction with base1 (faction id, live won't match up w/ ours) by base2
diff --git a/zone/bonuses.cpp b/zone/bonuses.cpp
index 5a13f2ccb..9072a2c9b 100644
--- a/zone/bonuses.cpp
+++ b/zone/bonuses.cpp
@@ -989,7 +989,7 @@ void Client::ApplyAABonuses(uint32 aaid, uint32 slots, StatBonuses* newbon)
 				newbon->CrippBlowChance += base1;
 				break;
 
-			case SE_SpellOnKill:
+			case SE_ProcOnKillShot:
 				for(int i = 0; i < MAX_SPELL_TRIGGER*3; i+=3)
 				{
 					if(!newbon->SpellOnKill[i] || ((newbon->SpellOnKill[i] == base2) && (newbon->SpellOnKill[i+1] < base1)))
@@ -2179,7 +2179,7 @@ void Mob::ApplySpellsBonuses(uint16 spell_id, uint8 casterlevel, StatBonuses* ne
 				newbon->CriticalDoTChance += effect_value;
 				break;
 
-			case SE_SpellOnKill:
+			case SE_ProcOnKillShot:
 			{
 				for(int e = 0; e < MAX_SPELL_TRIGGER*3; e+=3)
 				{
@@ -3785,7 +3785,7 @@ void Mob::NegateSpellsBonuses(uint16 spell_id)
 					itembonuses.CriticalDoTChance = effect_value;
 					break;
 
-				case SE_SpellOnKill:
+				case SE_ProcOnKillShot:
 				{
 					for(int e = 0; e < MAX_SPELL_TRIGGER*3; e=3)
 					{
diff --git a/zone/bot.cpp b/zone/bot.cpp
index 5bdf3cb02..e961bd7ec 100644
--- a/zone/bot.cpp
+++ b/zone/bot.cpp
@@ -1900,7 +1900,7 @@ void Bot::ApplyAABonuses(uint32 aaid, uint32 slots, StatBonuses* newbon)
 				newbon->UnfailingDivinity += base1;
 				break;
 
-			case SE_SpellOnKill:
+			case SE_ProcOnKillShot:
 				for(int i = 0; i < MAX_SPELL_TRIGGER*3; i+=3)
 				{
 					if(!newbon->SpellOnKill[i] || ((newbon->SpellOnKill[i] == base2) && (newbon->SpellOnKill[i+1] < base1)))
diff --git a/zone/mob.cpp b/zone/mob.cpp
index ed2072e21..ee468a0e6 100644
--- a/zone/mob.cpp
+++ b/zone/mob.cpp
@@ -4139,9 +4139,9 @@ void Mob::TrySpellOnKill(uint8 level, uint16 spell_id)
 {
 	if (spell_id != SPELL_UNKNOWN)
 	{
-		if(IsEffectInSpell(spell_id, SE_SpellOnKill2)) {
+		if(IsEffectInSpell(spell_id, SE_ProcOnSpellKillShot)) {
 			for (int i = 0; i < EFFECT_COUNT; i++) {
-				if (spells[spell_id].effectid[i] == SE_SpellOnKill2)
+				if (spells[spell_id].effectid[i] == SE_ProcOnSpellKillShot)
 				{
 					if (IsValidSpell(spells[spell_id].base2[i]) && spells[spell_id].max[i] <= level)
 					{
diff --git a/zone/spell_effects.cpp b/zone/spell_effects.cpp
index 376dcae7c..090fb4b75 100644
--- a/zone/spell_effects.cpp
+++ b/zone/spell_effects.cpp
@@ -2860,8 +2860,8 @@ bool Mob::SpellEffect(Mob* caster, uint16 spell_id, float partial)
 			case SE_CriticalHealChance:
 			case SE_CriticalHealOverTime:
 			case SE_CriticalDoTChance:
-			case SE_SpellOnKill:
-			case SE_SpellOnKill2:
+			case SE_ProcOnKillShot:
+			case SE_ProcOnSpellKillShot:
 			case SE_CriticalDamageMob:
 			case SE_LimitSpellGroup:
 			case SE_ResistCorruption: