diff --git a/src/server/game/AI/NpcBots/botmgr.cpp b/src/server/game/AI/NpcBots/botmgr.cpp
index 748b686dd1213..67753a2184343 100644
--- a/src/server/game/AI/NpcBots/botmgr.cpp
+++ b/src/server/game/AI/NpcBots/botmgr.cpp
@@ -84,6 +84,8 @@ uint32 _targetBGPlayersPerTeamCount_SA;
 uint32 _targetBGPlayersPerTeamCount_IC;
 bool _enableNpcBots;
 bool _logToDB;
+bool _xpReductionBlizzlikeEnable;
+bool _xpReductionBlizzlikeGroupOnly;
 bool _enableNpcBotsDungeons;
 bool _enableNpcBotsRaids;
 bool _enableNpcBotsBGs;
@@ -331,6 +333,8 @@ void BotMgr::LoadConfig(bool reload)
     _basefollowdist                 = sConfigMgr->GetIntDefault("NpcBot.BaseFollowDistance", 30);
     _xpReductionAmount              = sConfigMgr->GetIntDefault("NpcBot.XpReduction.Amount", 0);
     _xpReductionStartingNumber      = sConfigMgr->GetIntDefault("NpcBot.XpReduction.StartingNumber", 2);
+    _xpReductionBlizzlikeEnable     = sConfigMgr->GetBoolDefault("NpcBot.XpReduction.Blizzlike.Enable", true);
+    _xpReductionBlizzlikeGroupOnly  = sConfigMgr->GetBoolDefault("NpcBot.XpReduction.Blizzlike.GroupOnly", false);
     _mountLevel60                   = sConfigMgr->GetIntDefault("NpcBot.MountLevel.60", 20);
     _mountLevel100                  = sConfigMgr->GetIntDefault("NpcBot.MountLevel.100", 40);
     _healTargetIconFlags            = sConfigMgr->GetIntDefault("NpcBot.HealTargetIconMask", 0);
@@ -1104,6 +1108,14 @@ uint8 BotMgr::GetNpcBotXpReductionStartingNumber()
 {
     return _xpReductionStartingNumber;
 }
+bool BotMgr::GetNpcBotXpReductionBlizzlikeEnabled()
+{
+    return _xpReductionBlizzlikeEnable;
+}
+bool BotMgr::GetNpcBotXpReductionBlizzlikeGroupOnly()
+{
+    return _xpReductionBlizzlikeGroupOnly;
+}
 
 uint8 BotMgr::GetNpcBotMountLevel60()
 {
diff --git a/src/server/game/AI/NpcBots/botmgr.h b/src/server/game/AI/NpcBots/botmgr.h
index ea06ad8440454..f5ea93d1251ac 100644
--- a/src/server/game/AI/NpcBots/botmgr.h
+++ b/src/server/game/AI/NpcBots/botmgr.h
@@ -241,6 +241,8 @@ class TC_GAME_API BotMgr
         static uint8 GetMaxNpcBots(uint8 level);
         static uint8 GetNpcBotXpReduction();
         static uint8 GetNpcBotXpReductionStartingNumber();
+        static bool GetNpcBotXpReductionBlizzlikeEnabled();
+        static bool GetNpcBotXpReductionBlizzlikeGroupOnly();
         static uint8 GetNpcBotMountLevel60();
         static uint8 GetNpcBotMountLevel100();
         static int32 GetBotInfoPacketsLimit();
diff --git a/src/server/game/Entities/Player/KillRewarder.cpp b/src/server/game/Entities/Player/KillRewarder.cpp
index 3450733a27fd1..458f769707e3b 100644
--- a/src/server/game/Entities/Player/KillRewarder.cpp
+++ b/src/server/game/Entities/Player/KillRewarder.cpp
@@ -114,6 +114,34 @@ inline void KillRewarder::_InitGroupData()
                     if (_victim->GetLevel() > grayLevel && (!_maxNotGrayMember || _maxNotGrayMember->GetLevel() < lvl))
                         _maxNotGrayMember = member;
                 }
+
+        //npcbot
+        if (BotMgr::GetNpcBotXpReductionBlizzlikeEnabled())
+        {
+            for (GroupReference* itr = _group->GetFirstMember(); itr != nullptr; itr = itr->next())
+            {
+                Player* member = itr->GetSource();
+                if (!member || !member->IsInMap(_victim) || !member->HaveBot())
+                    continue;
+
+                BotMap const* botMap = member->GetBotMgr()->GetBotMap();
+                for (auto const& kv : *botMap)
+                {
+                    Creature const* bot = kv.second;
+                    if (bot && bot->IsAlive() && bot->IsInMap(_victim) && (_group->IsMember(kv.first) || !BotMgr::GetNpcBotXpReductionBlizzlikeGroupOnly()) &&
+                        (member->GetMap()->IsDungeon() || _victim->GetDistance(bot) <= sWorld->getFloatConfig(CONFIG_GROUP_XP_DISTANCE)))
+                    {
+                        const uint8 lvl = bot->GetLevel();
+                        ++_count;
+                        _sumLevel += lvl;
+                        if (_maxLevel < lvl)
+                            _maxLevel = lvl;
+                    }
+                }
+            }
+        }
+        //end npcbot
+
         // 2.5. _isFullXP - flag identifying that for all group members victim is not gray,
         //      so 100% XP will be rewarded (50% otherwise).
         _isFullXP = _maxNotGrayMember && (_maxLevel == _maxNotGrayMember->GetLevel());
diff --git a/src/server/worldserver/worldserver.conf.dist b/src/server/worldserver/worldserver.conf.dist
index ee15db5604bce..49d1471026647 100644
--- a/src/server/worldserver/worldserver.conf.dist
+++ b/src/server/worldserver/worldserver.conf.dist
@@ -4213,14 +4213,23 @@ NpcBot.BaseFollowDistance = 30
 #
 #    NpcBot.XpReduction.Amount
 #    NpcBot.XpReduction.StartingNumber
+#    NpcBot.XpReduction.Blizzlike.Enable
+#    NpcBot.XpReduction.Blizzlike.GroupOnly
 #        Description: XP percent penalty for each bot used starting with <StartingNumber>.
-#        Example:     3 bots, reduction is 20, start is 2: ((3-(2-1))*20) = 40%, 60% exp gained.
+#                     <Blizzlike> enables group size based XP reduction counting either any bots
+#                     or bots in group only, combines multiplicatively
+#        Example:     Group of 4, 3 bots, reduction is 20, start is 2, blizzlike enabled:
+#                     (100 - ((3-(2-1))*20)) * 1.3 / 4 = 19.5% exp gained.
 #        Note:        Maximum overall xp reduction is 90%.
 #        Default:     0 - (NpcBot.XpReduction.Amount)
 #                     2 - (NpcBot.XpReduction.StartingNumber)
+#                     1 - (NpcBot.XpReduction.Blizzlike.Enable)
+#                     0 - (NpcBot.XpReduction.Blizzlike.GroupOnly)
 
-NpcBot.XpReduction.Amount         = 0
-NpcBot.XpReduction.StartingNumber = 2
+NpcBot.XpReduction.Amount              = 0
+NpcBot.XpReduction.StartingNumber      = 2
+NpcBot.XpReduction.Blizzlike.Enable    = 1
+NpcBot.XpReduction.Blizzlike.GroupOnly = 0
 
 #
 #    NpcBot.MountLevel.60