diff --git a/zone/expedition.cpp b/zone/expedition.cpp
index f3f22fd06..1b134bd28 100644
--- a/zone/expedition.cpp
+++ b/zone/expedition.cpp
@@ -1642,6 +1642,26 @@ void Expedition::AddLockoutByCharacterName(
 	}
 }
 
+bool Expedition::HasLockoutByCharacterID(
+	uint32_t character_id, const std::string& expedition_name, const std::string& event_name)
+{
+	auto lockouts = Expedition::GetExpeditionLockoutsByCharacterID(character_id);
+	return std::any_of(lockouts.begin(), lockouts.end(), [&](const ExpeditionLockoutTimer& lockout) {
+		return lockout.IsSameLockout(expedition_name, event_name);
+	});
+}
+
+bool Expedition::HasLockoutByCharacterName(
+	const std::string& character_name, const std::string& expedition_name, const std::string& event_name)
+{
+	if (!character_name.empty())
+	{
+		uint32_t character_id = database.GetCharacterID(character_name.c_str());
+		return HasLockoutByCharacterID(character_id, expedition_name, event_name);
+	}
+	return false;
+}
+
 void Expedition::RemoveLockoutsByCharacterID(
 	uint32_t character_id, const std::string& expedition_name, const std::string& event_name)
 {
@@ -2069,6 +2089,10 @@ std::string Expedition::GetLootEventBySpawnID(uint32_t spawn_id)
 std::vector<ExpeditionLockoutTimer> Expedition::GetExpeditionLockoutsByCharacterID(uint32_t character_id)
 {
 	std::vector<ExpeditionLockoutTimer> lockouts;
+	if (character_id == 0)
+	{
+		return lockouts;
+	}
 
 	auto client = entity_list.GetClientByCharID(character_id);
 	if (client)
diff --git a/zone/expedition.h b/zone/expedition.h
index 490fd1f44..16e62a5d1 100644
--- a/zone/expedition.h
+++ b/zone/expedition.h
@@ -84,6 +84,10 @@ public:
 		const std::string& event_name, uint32_t seconds, const std::string& uuid = {});
 	static void AddLockoutByCharacterName(const std::string& character_name, const std::string& expedition_name,
 		const std::string& event_name, uint32_t seconds, const std::string& uuid = {});
+	static bool HasLockoutByCharacterID(uint32_t character_id,
+		const std::string& expedition_name, const std::string& event_name);
+	static bool HasLockoutByCharacterName(const std::string& character_name,
+		const std::string& expedition_name, const std::string& event_name);
 	static void RemoveLockoutsByCharacterID(uint32_t character_id,
 		const std::string& expedition_name = {}, const std::string& event_name = {});
 	static void RemoveLockoutsByCharacterName(const std::string& character_name,
diff --git a/zone/groups.cpp b/zone/groups.cpp
index 60a58b99c..4b8e25d09 100644
--- a/zone/groups.cpp
+++ b/zone/groups.cpp
@@ -18,6 +18,7 @@
 
 #include "../common/global_define.h"
 #include "../common/eqemu_logsys.h"
+#include "expedition.h"
 #include "masterentity.h"
 #include "npc_ai.h"
 #include "../common/packet_functions.h"
@@ -2503,3 +2504,24 @@ void Group::QueueClients(Mob *sender, const EQApplicationPacket *app, bool ack_r
 		}
 	}
 }
+
+bool Group::DoesAnyMemberHaveExpeditionLockout(
+	const std::string& expedition_name, const std::string& event_name, int max_check_count)
+{
+	if (max_check_count <= 0)
+	{
+		max_check_count = MAX_GROUP_MEMBERS;
+	}
+
+	for (int i = 0; i < MAX_GROUP_MEMBERS && i < max_check_count; ++i)
+	{
+		if (membername[i][0])
+		{
+			if (Expedition::HasLockoutByCharacterName(membername[i], expedition_name, event_name))
+			{
+				return true;
+			}
+		}
+	}
+	return false;
+}
diff --git a/zone/groups.h b/zone/groups.h
index 0d39409e0..57dfdbfb6 100644
--- a/zone/groups.h
+++ b/zone/groups.h
@@ -153,6 +153,8 @@ public:
 	inline int GetMentorPercent() { return mentor_percent; }
 	inline Client *GetMentoree() { return mentoree; }
 
+	bool DoesAnyMemberHaveExpeditionLockout(const std::string& expedition_name, const std::string& event_name, int max_check_count = 0);
+
 	Mob* members[MAX_GROUP_MEMBERS];
 	char	membername[MAX_GROUP_MEMBERS][64];
 	uint8	MemberRoles[MAX_GROUP_MEMBERS];
diff --git a/zone/lua_group.cpp b/zone/lua_group.cpp
index f297d72f1..2cac41418 100644
--- a/zone/lua_group.cpp
+++ b/zone/lua_group.cpp
@@ -107,6 +107,18 @@ Lua_Mob Lua_Group::GetMember(int index) {
 	return self->members[index];
 }
 
+bool Lua_Group::DoesAnyMemberHaveExpeditionLockout(std::string expedition_name, std::string event_name)
+{
+	Lua_Safe_Call_Bool();
+	return self->DoesAnyMemberHaveExpeditionLockout(expedition_name, event_name);
+}
+
+bool Lua_Group::DoesAnyMemberHaveExpeditionLockout(std::string expedition_name, std::string event_name, int max_check_count)
+{
+	Lua_Safe_Call_Bool();
+	return self->DoesAnyMemberHaveExpeditionLockout(expedition_name, event_name, max_check_count);
+}
+
 luabind::scope lua_register_group() {
 	return luabind::class_<Lua_Group>("Group")
 		.def(luabind::constructor<>())
@@ -129,7 +141,9 @@ luabind::scope lua_register_group() {
 		.def("GetLowestLevel", (int(Lua_Group::*)(void))&Lua_Group::GetLowestLevel)
 		.def("TeleportGroup", (void(Lua_Group::*)(Lua_Mob,uint32,uint32,float,float,float,float))&Lua_Group::TeleportGroup)
 		.def("GetID", (int(Lua_Group::*)(void))&Lua_Group::GetID)
-		.def("GetMember", (Lua_Mob(Lua_Group::*)(int))&Lua_Group::GetMember);
+		.def("GetMember", (Lua_Mob(Lua_Group::*)(int))&Lua_Group::GetMember)
+		.def("DoesAnyMemberHaveExpeditionLockout", (bool(Lua_Group::*)(std::string, std::string))&Lua_Group::DoesAnyMemberHaveExpeditionLockout)
+		.def("DoesAnyMemberHaveExpeditionLockout", (bool(Lua_Group::*)(std::string, std::string, int))&Lua_Group::DoesAnyMemberHaveExpeditionLockout);
 }
 
 #endif
diff --git a/zone/lua_group.h b/zone/lua_group.h
index e1aa2a11d..46bc48f50 100644
--- a/zone/lua_group.h
+++ b/zone/lua_group.h
@@ -44,6 +44,8 @@ public:
 	void TeleportGroup(Lua_Mob sender, uint32 zone_id, uint32 instance_id, float x, float y, float z, float h);
 	int GetID();
 	Lua_Mob GetMember(int index);
+	bool DoesAnyMemberHaveExpeditionLockout(std::string expedition_name, std::string event_name);
+	bool DoesAnyMemberHaveExpeditionLockout(std::string expedition_name, std::string event_name, int max_check_count);
 };
 
 #endif
diff --git a/zone/lua_raid.cpp b/zone/lua_raid.cpp
index c181b8bd2..ae01012d5 100644
--- a/zone/lua_raid.cpp
+++ b/zone/lua_raid.cpp
@@ -132,6 +132,17 @@ int Lua_Raid::GetGroupNumber(int index) {
 	return self->members[index].GroupNumber;
 }
 
+bool Lua_Raid::DoesAnyMemberHaveExpeditionLockout(std::string expedition_name, std::string event_name)
+{
+	Lua_Safe_Call_Bool();
+	return self->DoesAnyMemberHaveExpeditionLockout(expedition_name, event_name);
+}
+
+bool Lua_Raid::DoesAnyMemberHaveExpeditionLockout(std::string expedition_name, std::string event_name, int max_check_count)
+{
+	Lua_Safe_Call_Bool();
+	return self->DoesAnyMemberHaveExpeditionLockout(expedition_name, event_name, max_check_count);
+}
 
 luabind::scope lua_register_raid() {
 	return luabind::class_<Lua_Raid>("Raid")
@@ -158,7 +169,9 @@ luabind::scope lua_register_raid() {
 		.def("TeleportRaid", (int(Lua_Raid::*)(Lua_Mob,uint32,uint32,float,float,float,float))&Lua_Raid::TeleportRaid)
 		.def("GetID", (int(Lua_Raid::*)(void))&Lua_Raid::GetID)
 		.def("GetMember", (Lua_Client(Lua_Raid::*)(int))&Lua_Raid::GetMember)
-		.def("GetGroupNumber", (int(Lua_Raid::*)(int))&Lua_Raid::GetGroupNumber);
+		.def("GetGroupNumber", (int(Lua_Raid::*)(int))&Lua_Raid::GetGroupNumber)
+		.def("DoesAnyMemberHaveExpeditionLockout", (bool(Lua_Raid::*)(std::string, std::string))&Lua_Raid::DoesAnyMemberHaveExpeditionLockout)
+		.def("DoesAnyMemberHaveExpeditionLockout", (bool(Lua_Raid::*)(std::string, std::string, int))&Lua_Raid::DoesAnyMemberHaveExpeditionLockout);
 }
 
 #endif
diff --git a/zone/lua_raid.h b/zone/lua_raid.h
index bc10a729c..9eb100f59 100644
--- a/zone/lua_raid.h
+++ b/zone/lua_raid.h
@@ -48,6 +48,8 @@ public:
 	int GetID();
 	Lua_Client GetMember(int index);
 	int GetGroupNumber(int index);
+	bool DoesAnyMemberHaveExpeditionLockout(std::string expedition_name, std::string event_name);
+	bool DoesAnyMemberHaveExpeditionLockout(std::string expedition_name, std::string event_name, int max_check_count);
 };
 
 #endif
diff --git a/zone/raids.cpp b/zone/raids.cpp
index 386eb70ac..55e6d9e55 100644
--- a/zone/raids.cpp
+++ b/zone/raids.cpp
@@ -20,6 +20,7 @@
 
 #include "client.h"
 #include "entity.h"
+#include "expedition.h"
 #include "groups.h"
 #include "mob.h"
 #include "raids.h"
@@ -1862,3 +1863,29 @@ std::vector<RaidMember> Raid::GetMembers() const
 	}
 	return raid_members;
 }
+
+bool Raid::DoesAnyMemberHaveExpeditionLockout(
+	const std::string& expedition_name, const std::string& event_name, int max_check_count)
+{
+	auto raid_members = GetMembers();
+
+	if (max_check_count > 0)
+	{
+		// priority is leader, group number, then ungrouped members
+		std::sort(raid_members.begin(), raid_members.end(),
+			[&](const RaidMember& lhs, const RaidMember& rhs) {
+				if (lhs.IsRaidLeader) {
+					return true;
+				} else if (rhs.IsRaidLeader) {
+					return false;
+				}
+				return lhs.GroupNumber < rhs.GroupNumber;
+			});
+
+		raid_members.resize(max_check_count);
+	}
+
+	return std::any_of(raid_members.begin(), raid_members.end(), [&](const RaidMember& raid_member) {
+		return Expedition::HasLockoutByCharacterName(raid_member.membername, expedition_name, event_name);
+	});
+}
diff --git a/zone/raids.h b/zone/raids.h
index 1e771e03d..a04d1eb54 100644
--- a/zone/raids.h
+++ b/zone/raids.h
@@ -239,6 +239,8 @@ public:
 
 	void	QueueClients(Mob *sender, const EQApplicationPacket *app, bool ack_required = true, bool ignore_sender = true, float distance = 0, bool group_only = true);
 
+	bool DoesAnyMemberHaveExpeditionLockout(const std::string& expedition_name, const std::string& event_name, int max_check_count = 0);
+
 	std::vector<RaidMember> GetMembers() const;
 
 	RaidMember members[MAX_RAID_MEMBERS];