diff --git a/src/ChatFilter.cpp b/src/ChatFilter.cpp
index b07b0848..0b3e7f7a 100644
--- a/src/ChatFilter.cpp
+++ b/src/ChatFilter.cpp
@@ -8,6 +8,17 @@
 #include "Group.h"
 #include "Playerbots.h"
 #include "RtiTargetValue.h"
+#include "AiFactory.h"
+
+#include <algorithm>
+#include <cctype>
+
+static std::string ToLower(const std::string& str) 
+{
+    std::string out = str;
+    std::transform(out.begin(), out.end(), out.begin(), [](unsigned char c){ return std::tolower(c); });
+    return out;
+}
 
 std::string const ChatFilter::Filter(std::string& message)
 {
@@ -25,32 +36,33 @@ public:
     std::string const Filter(std::string& message) override
     {
         Player* bot = botAI->GetBot();
+        std::string msgLower = ToLower(message);
 
-        bool tank = message.find("@tank") == 0;
+        bool tank = msgLower.find("@tank") == 0;
         if (tank && !botAI->IsTank(bot))
             return "";
 
-        bool dps = message.find("@dps") == 0;
+        bool dps = msgLower.find("@dps") == 0;
         if (dps && (botAI->IsTank(bot) || botAI->IsHeal(bot)))
             return "";
 
-        bool heal = message.find("@heal") == 0;
+        bool heal = msgLower.find("@heal") == 0;
         if (heal && !botAI->IsHeal(bot))
             return "";
 
-        bool ranged = message.find("@ranged") == 0;
+        bool ranged = msgLower.find("@ranged") == 0;
         if (ranged && !botAI->IsRanged(bot))
             return "";
 
-        bool melee = message.find("@melee") == 0;
+        bool melee = msgLower.find("@melee") == 0;
         if (melee && botAI->IsRanged(bot))
             return "";
 
-        bool rangeddps = message.find("@rangeddps") == 0;
+        bool rangeddps = msgLower.find("@rangeddps") == 0;
         if (rangeddps && (!botAI->IsRanged(bot) || botAI->IsTank(bot) || botAI->IsHeal(bot)))
             return "";
 
-        bool meleedps = message.find("@meleedps") == 0;
+        bool meleedps = msgLower.find("@meleedps") == 0;
         if (meleedps && (!botAI->IsMelee(bot) || botAI->IsTank(bot) || botAI->IsHeal(bot)))
             return "";
 
@@ -69,11 +81,11 @@ public:
     std::string const Filter(std::string& message) override
     {
         Player* bot = botAI->GetBot();
-
-        if (message[0] != '@')
+        std::string msgLower = ToLower(message);
+        if (msgLower[0] != '@')
             return message;
 
-        if (message.find("-") != std::string::npos)
+        if (msgLower.find("-") != std::string::npos)
         {
             uint32 fromLevel = atoi(message.substr(message.find("@") + 1, message.find("-")).c_str());
             uint32 toLevel = atoi(message.substr(message.find("-") + 1, message.find(" ")).c_str());
@@ -100,9 +112,10 @@ public:
     std::string const Filter(std::string& message) override
     {
         Player* bot = botAI->GetBot();
+        std::string msgLower = ToLower(message);
 
-        bool melee = message.find("@melee") == 0;
-        bool ranged = message.find("@ranged") == 0;
+        bool melee = msgLower.find("@melee") == 0;
+        bool ranged = msgLower.find("@ranged") == 0;
 
         if (!melee && !ranged)
             return message;
@@ -159,17 +172,17 @@ public:
     std::string const Filter(std::string& message) override
     {
         Player* bot = botAI->GetBot();
+        std::string msgLower = ToLower(message);
         Group* group = bot->GetGroup();
         if (!group)
             return message;
 
         bool found = false;
-        //bool isRti = false; //not used, shadowed by the next declaration, line marked for removal.
         for (std::vector<std::string>::iterator i = rtis.begin(); i != rtis.end(); i++)
         {
             std::string const rti = *i;
-
-            bool isRti = message.find(rti) == 0;
+            std::string rtiLower = ToLower(rti);
+            bool isRti = msgLower.find(rtiLower) == 0;
             if (!isRti)
                 continue;
 
@@ -204,7 +217,7 @@ class ClassChatFilter : public ChatFilter
 public:
     ClassChatFilter(PlayerbotAI* botAI) : ChatFilter(botAI)
     {
-        classNames["@death_knight"] = CLASS_DEATH_KNIGHT;
+        classNames["@dk"] = CLASS_DEATH_KNIGHT;
         classNames["@druid"] = CLASS_DRUID;
         classNames["@hunter"] = CLASS_HUNTER;
         classNames["@mage"] = CLASS_MAGE;
@@ -219,12 +232,12 @@ public:
     std::string const Filter(std::string& message) override
     {
         Player* bot = botAI->GetBot();
+        std::string msgLower = ToLower(message);
 
         bool found = false;
-        //bool isClass = false; //not used, shadowed by the next declaration, line marked for removal.
         for (std::map<std::string, uint8>::iterator i = classNames.begin(); i != classNames.end(); i++)
         {
-            bool isClass = message.find(i->first) == 0;
+            bool isClass = msgLower.find(ToLower(i->first)) == 0;
             if (isClass && bot->getClass() != i->second)
                 return "";
 
@@ -251,8 +264,8 @@ public:
     std::string const Filter(std::string& message) override
     {
         Player* bot = botAI->GetBot();
-
-        if (message.find("@group") == 0)
+        std::string msgLower = ToLower(message);
+        if (msgLower.find("@group") == 0)
         {
             size_t spacePos = message.find(" ");
             if (spacePos == std::string::npos)
@@ -295,6 +308,290 @@ public:
     }
 };
 
+class SpecChatFilter : public ChatFilter
+{
+public:
+    SpecChatFilter(PlayerbotAI* botAI) : ChatFilter(botAI)
+    {
+        // Map (class, specTab) to spec+class string
+        specTabNames[{CLASS_PALADIN, 0}] = "hpal";
+        specTabNames[{CLASS_PALADIN, 1}] = "ppal";
+        specTabNames[{CLASS_PALADIN, 2}] = "rpal";
+        specTabNames[{CLASS_PRIEST, 0}] = "disc";
+        specTabNames[{CLASS_PRIEST, 1}] = "hpr";
+        specTabNames[{CLASS_PRIEST, 2}] = "spr";
+        specTabNames[{CLASS_MAGE, 0}] = "arc";
+        specTabNames[{CLASS_MAGE, 1}] = "frost";
+        specTabNames[{CLASS_MAGE, 2}] = "fire";
+        specTabNames[{CLASS_WARRIOR, 0}] = "arms";
+        specTabNames[{CLASS_WARRIOR, 1}] = "fury";
+        specTabNames[{CLASS_WARRIOR, 2}] = "pwar";
+        specTabNames[{CLASS_WARLOCK, 0}] = "affl";
+        specTabNames[{CLASS_WARLOCK, 1}] = "demo";
+        specTabNames[{CLASS_WARLOCK, 2}] = "dest";
+        specTabNames[{CLASS_SHAMAN, 0}] = "ele";
+        specTabNames[{CLASS_SHAMAN, 1}] = "enh";
+        specTabNames[{CLASS_SHAMAN, 2}] = "rsha";
+        specTabNames[{CLASS_DRUID, 0}] = "bal";
+        // See below for feral druid
+        specTabNames[{CLASS_DRUID, 2}] = "rdru";
+        specTabNames[{CLASS_HUNTER, 0}] = "bmh";
+        specTabNames[{CLASS_HUNTER, 1}] = "mmh";
+        specTabNames[{CLASS_HUNTER, 2}] = "svh";
+        specTabNames[{CLASS_ROGUE, 0}] = "mut";
+        specTabNames[{CLASS_ROGUE, 1}] = "comb";
+        specTabNames[{CLASS_ROGUE, 2}] = "sub";
+        // See below for blood death knight
+        specTabNames[{CLASS_DEATH_KNIGHT, 1}] = "fdk";
+        specTabNames[{CLASS_DEATH_KNIGHT, 2}] = "udk";
+    }
+
+    std::string const Filter(std::string& message) override
+    {
+        std::string msgLower = ToLower(message);
+        std::string specPrefix;
+        std::string rest;
+        if (!ParseSpecPrefix(message, specPrefix, rest))
+        {
+            return message;
+        }
+
+        Player* bot = botAI->GetBot();
+        if (!MatchesSpec(bot, specPrefix))
+        {
+            return "";
+        }
+
+        std::string result = ChatFilter::Filter(rest);
+        return result;
+    }
+
+private:
+    std::map<std::pair<uint8, int>, std::string> specTabNames;
+
+    bool ParseSpecPrefix(const std::string& message, std::string& specPrefix, std::string& rest)
+    {
+        std::string msgLower = ToLower(message);
+        for (const auto& entry : specTabNames)
+        {
+            std::string prefix = "@" + entry.second;
+            if (msgLower.find(ToLower(prefix)) == 0)
+            {
+                specPrefix = entry.second;
+                size_t spacePos = message.find(' ');
+                rest = (spacePos != std::string::npos) ? message.substr(spacePos + 1) : "";
+                return true;
+            }
+        }
+        return false;
+    }
+
+    bool MatchesSpec(Player* bot, const std::string& specPrefix)
+    {
+        uint8 cls = bot->getClass();
+        int specTab = AiFactory::GetPlayerSpecTab(bot);
+        std::string botSpecClass;
+        // For druids, specTab==1 is always feral; distinguish bear/cat at runtime by role
+        if (cls == CLASS_DRUID && specTab == 1) 
+        {
+            botSpecClass = botAI->IsTank(bot) ? "bear" : "cat";
+        }
+        // For death knights, specTab==0 is always blood; distinguish tank/dps at runtime by role
+        else if (cls == CLASS_DEATH_KNIGHT && specTab == 0) 
+        {
+            botSpecClass = botAI->IsTank(bot) ? "bdkt" : "bdkd";
+        }
+        else
+        {
+            auto it = specTabNames.find({cls, specTab});
+            if (it != specTabNames.end())
+                botSpecClass = it->second;
+        }
+        return ToLower(botSpecClass) == ToLower(specPrefix);
+    }
+};
+
+class AuraChatFilter : public ChatFilter
+{
+public:
+    AuraChatFilter(PlayerbotAI* botAI) : ChatFilter(botAI) {}
+
+    std::string const Filter(std::string& message) override
+    {
+        Player* bot = botAI->GetBot();
+        std::string msgLower = ToLower(message);
+        const std::string auraPrefix = "@aura";
+        const std::string noAuraPrefix = "@noaura";
+        size_t prefixLen = 0;
+        bool isNoAura = false;
+        if (msgLower.find(auraPrefix) == 0)
+        {
+            prefixLen = auraPrefix.length();
+            isNoAura = false;
+        }
+        else if (msgLower.find(noAuraPrefix) == 0)
+        {
+            prefixLen = noAuraPrefix.length();
+            isNoAura = true;
+        }
+        else
+        {
+            return message;
+        }
+
+        std::string auraIdOrName = message.substr(prefixLen);
+        if (auraIdOrName.empty())
+        {
+            return message;
+        }
+
+        std::string rest = "";
+        uint32 auraId = 0;
+
+        size_t spacePos = auraIdOrName.find(' ');
+        std::string idStr = (spacePos != std::string::npos) ? auraIdOrName.substr(0, spacePos) : auraIdOrName;
+        if (spacePos != std::string::npos)
+        {
+            rest = auraIdOrName.substr(spacePos + 1);
+        }
+        else
+        {
+            rest = "";
+        }
+        if (!idStr.empty())
+        {
+            bool isNumeric = std::all_of(idStr.begin(), idStr.end(), ::isdigit);
+            if (isNumeric)
+            {
+                auraId = atoi(idStr.c_str());
+            }
+        }
+
+        if (auraId == 0)
+        {
+            // Only allow numeric spell IDs
+            return message;
+        }
+
+        bool hasAura = bot->HasAura(auraId);
+        bool match = isNoAura ? !hasAura : hasAura;
+        std::string result = match ? ChatFilter::Filter(rest) : "";
+        return result;
+    }
+};
+
+class AggroByChatFilter : public ChatFilter
+{
+public:
+    AggroByChatFilter(PlayerbotAI* botAI) : ChatFilter(botAI) {}
+
+    std::string const Filter(std::string& message) override
+    {
+        Player* bot = botAI->GetBot();
+        std::string msgLower = ToLower(message);
+        const std::string prefix = "@aggroby";
+        size_t prefixLen = prefix.length();
+        if (msgLower.find(prefix) != 0) 
+        {
+            return message;
+        }
+
+        std::string enemyStr = message.substr(prefixLen);
+        if (enemyStr.empty())
+        {
+            return message;
+        }
+
+        std::string rest = "";
+        std::string enemyName = "";
+        std::string entryIdStr = "";
+        bool isName = false;
+        uint32 entryId = 0;
+
+        if (enemyStr[0] == '"')
+        {
+            size_t endQuote = enemyStr.find('"', 1);
+            if (endQuote != std::string::npos)
+            {
+                enemyName = enemyStr.substr(1, endQuote - 1);
+                isName = true;
+                size_t spacePos = enemyStr.find(' ', endQuote + 1);
+                if (spacePos != std::string::npos)
+                {
+                    rest = enemyStr.substr(spacePos + 1);
+                }
+                else
+                {
+                    rest = "";
+                }
+            }
+            else
+            {
+                enemyName = enemyStr.substr(1);
+                isName = true;
+                rest = "";
+            }
+        }
+        else
+        {
+            size_t spacePos = enemyStr.find(' ');
+            std::string idOrName = (spacePos != std::string::npos) ? enemyStr.substr(0, spacePos) : enemyStr;
+            if (spacePos != std::string::npos)
+            {
+                rest = enemyStr.substr(spacePos + 1);
+            }
+            else
+            {
+                rest = "";
+            }
+            if (!idOrName.empty())
+            {
+                bool isNumeric = std::all_of(idOrName.begin(), idOrName.end(), ::isdigit);
+                if (isNumeric)
+                {
+                    entryId = atoi(idOrName.c_str());
+                }
+                else
+                {
+                    enemyName = idOrName;
+                    isName = true;
+                }
+            }
+        }
+
+        // Use nearest hostile npcs value and filter by entryID or name within 100 yards
+        const float radius = 100.0f;
+        GuidVector npcs = botAI->GetAiObjectContext()->GetValue<GuidVector>("nearest hostile npcs")->Get();
+        bool match = false;
+        for (const auto& guid : npcs)
+        {
+            Unit* unit = botAI->GetUnit(guid);
+            if (!unit)
+            {
+                continue;
+            }
+            if (!unit->IsCreature())
+            {
+                continue;
+            }
+            Creature* c = static_cast<Creature*>(unit);
+            bool nameMatch = isName && ToLower(c->GetName()) == ToLower(enemyName);
+            bool idMatch = (entryId != 0) && c->GetEntry() == entryId;
+            if ((nameMatch || idMatch) && c->GetDistance2d(bot) <= radius)
+            {
+                Unit* victim = c->GetVictim();
+                if (victim && victim->GetGUID() == bot->GetGUID())
+                {
+                    match = true;
+                    break;
+                }
+            }
+        }
+        std::string result = match ? ChatFilter::Filter(rest) : "";
+        return result;
+    }
+};
+
 CompositeChatFilter::CompositeChatFilter(PlayerbotAI* botAI) : ChatFilter(botAI)
 {
     filters.push_back(new StrategyChatFilter(botAI));
@@ -303,6 +600,9 @@ CompositeChatFilter::CompositeChatFilter(PlayerbotAI* botAI) : ChatFilter(botAI)
     filters.push_back(new CombatTypeChatFilter(botAI));
     filters.push_back(new LevelChatFilter(botAI));
     filters.push_back(new SubGroupChatFilter(botAI));
+    filters.push_back(new SpecChatFilter(botAI));
+    filters.push_back(new AuraChatFilter(botAI));
+    filters.push_back(new AggroByChatFilter(botAI));
 }
 
 CompositeChatFilter::~CompositeChatFilter()
@@ -313,15 +613,12 @@ CompositeChatFilter::~CompositeChatFilter()
 
 std::string const CompositeChatFilter::Filter(std::string& message)
 {
-    for (uint32 j = 0; j < filters.size(); ++j)
+    for (auto* filter : filters) 
     {
-        for (std::vector<ChatFilter*>::iterator i = filters.begin(); i != filters.end(); i++)
-        {
-            message = (*i)->Filter(message);
-            if (message.empty())
-                break;
-        }
+        message = filter->Filter(message);
+        if (message.empty())
+            break;
     }
-
+    
     return message;
 }