diff --git a/.gitignore b/.gitignore
index 1ff022513..0bc3175dd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -57,6 +57,8 @@ CMakeLists.txt.user
 #
 /.settings/
 /.externalToolBuilders/*
+/.vs
+/out
 # exclude in all levels
 nbproject/
 .sync.ffs_db
diff --git a/.gitmodules b/.gitmodules
index 8fbdb5467..8f982abf1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "deps/git-subrepo"]
 	path = deps/git-subrepo
 	url = https://github.com/ingydotnet/git-subrepo.git
+[submodule "modules/mod-playerbots"]
+	path = modules/mod-playerbots
+	url = https://github.com/ZhengPeiRu21/mod-playerbots.git
diff --git a/modules/mod-playerbots b/modules/mod-playerbots
new file mode 160000
index 000000000..16ef20cd3
--- /dev/null
+++ b/modules/mod-playerbots
@@ -0,0 +1 @@
+Subproject commit 16ef20cd3e23aa38d4c373ff6a0fe991199ff69b
diff --git a/src/common/Utilities/Util.h b/src/common/Utilities/Util.h
index 3648c850d..f00c06930 100644
--- a/src/common/Utilities/Util.h
+++ b/src/common/Utilities/Util.h
@@ -351,6 +351,7 @@ inline wchar_t wcharToLower(wchar_t wchar)
 
 void wstrToUpper(std::wstring& str);
 void wstrToLower(std::wstring& str);
+void strToLower(std::string& str);
 
 std::wstring GetMainPartOfName(std::wstring const& wname, uint32 declension);
 
diff --git a/src/server/database/Database/Implementation/PlayerbotsDatabase.cpp b/src/server/database/Database/Implementation/PlayerbotsDatabase.cpp
index 4b318794a..250c91fb7 100644
--- a/src/server/database/Database/Implementation/PlayerbotsDatabase.cpp
+++ b/src/server/database/Database/Implementation/PlayerbotsDatabase.cpp
@@ -85,6 +85,24 @@ void PlayerbotsDatabaseConnection::DoPrepareStatements()
     PrepareStatement(PLAYERBOTS_DEL_TRAVELNODE_PATH, "DELETE FROM playerbots_travelnode_path", CONNECTION_ASYNC);
 
     PrepareStatement(PLAYERBOTS_SEL_TEXT, "SELECT `key`,`text` FROM playerbots_text", CONNECTION_SYNCH);
+    PrepareStatement(
+        PLAYERBOTS_SEL_DUNGEON_SUGGESTION,
+        "SELECT"
+        "   d.`name`, "
+        "   d.`difficulty`, "
+        "   d.`min_level`, "
+        "   d.`max_level`, "
+        "   a.`abbrevation`, "
+        "   s.`strategy` "
+        "FROM playerbots_dungeon_suggestion_definition d "
+        "LEFT OUTER JOIN playerbots_dungeon_suggestion_abbrevation a "
+        "   ON d.slug = a.definition_slug "
+        "LEFT OUTER JOIN playerbots_dungeon_suggestion_strategy s "
+        "   ON d.slug = s.definition_slug "
+        "   AND d.difficulty = s.difficulty "
+        "WHERE d.expansion <= ?;",
+        CONNECTION_SYNCH
+    );
 
     PrepareStatement(PLAYERBOTS_SEL_WEIGHTSCALES, "SELECT id, name, class FROM playerbots_weightscales", CONNECTION_SYNCH);
     PrepareStatement(PLAYERBOTS_SEL_WEIGHTSCALE_DATA, "SELECT id, field, val FROM playerbots_weightscale_data", CONNECTION_SYNCH);
diff --git a/src/server/database/Database/Implementation/PlayerbotsDatabase.h b/src/server/database/Database/Implementation/PlayerbotsDatabase.h
index a0cd5a630..2f33f8f90 100644
--- a/src/server/database/Database/Implementation/PlayerbotsDatabase.h
+++ b/src/server/database/Database/Implementation/PlayerbotsDatabase.h
@@ -78,6 +78,7 @@ enum PlayerbotsDatabaseStatements : uint32
     PLAYERBOTS_INS_TELE_CACHE,
 
     PLAYERBOTS_SEL_TEXT,
+    PLAYERBOTS_SEL_DUNGEON_SUGGESTION,
 
     PLAYERBOTS_SEL_TRAVELNODE,
     PLAYERBOTS_INS_TRAVELNODE,