diff --git a/Makefile b/Makefile
index 6423f21..9cf44b2 100644
--- a/Makefile
+++ b/Makefile
@@ -11,6 +11,12 @@ EXTRA_SELECTORS ?=
 ANOPE_SELECTORS := \
 	and not testPlainLarge
 
+BAHAMUT_SELECTORS := \
+	not Ergo \
+	and not deprecated \
+	and not strict \
+	$(EXTRA_SELECTORS)
+
 # testQuitErrors is very flaky
 # AccountTagTestCase.testInvite fails because https://github.com/solanum-ircd/solanum/issues/166
 CHARYBDIS_SELECTORS := \
@@ -93,13 +99,33 @@ UNREALIRCD_SELECTORS := \
 	and not (testChathistory and (between or around)) \
 	$(EXTRA_SELECTORS)
 
-.PHONY: all flakes charybdis ergo inspircd mammon limnoria sopel solanum unrealircd
+.PHONY: all flakes bahamut charybdis ergo inspircd mammon limnoria sopel solanum unrealircd
 
-all: flakes charybdis ergo inspircd mammon limnoria sopel solanum unrealircd
+all: flakes bahamut charybdis ergo inspircd mammon limnoria sopel solanum unrealircd
 
 flakes:
 	find irctest/ -name "*.py" -not -path "irctest/scram/*" -print0 | xargs -0 pyflakes3
 
+bahamut:
+	$(PYTEST) $(PYTEST_ARGS) \
+		--controller=irctest.controllers.bahamut \
+		-m 'not services' \
+		-k '$(BAHAMUT_SELECTORS)'
+
+bahamut-atheme:
+	$(PYTEST) $(PYTEST_ARGS) \
+		--controller=irctest.controllers.bahamut \
+		--services-controller=irctest.controllers.atheme_services \
+		-m 'services' \
+		-k '$(BAHAMUT_SELECTORS)'
+
+bahamut-anope:
+	$(PYTEST) $(PYTEST_ARGS) \
+		--controller=irctest.controllers.bahamut \
+		--services-controller=irctest.controllers.anope_services \
+		-m 'services' \
+		-k '$(BAHAMUT_SELECTORS) $(ANOPE_SELECTORS)'
+
 charybdis:
 	$(PYTEST) $(PYTEST_ARGS) \
 		--controller=irctest.controllers.charybdis \
diff --git a/irctest/controllers/anope_services.py b/irctest/controllers/anope_services.py
index e41203c..3ccdb29 100644
--- a/irctest/controllers/anope_services.py
+++ b/irctest/controllers/anope_services.py
@@ -76,7 +76,14 @@ class AnopeController(BaseServicesController, DirectoryBasedController):
     def run(self, protocol: str, server_hostname: str, server_port: int) -> None:
         self.create_config()
 
-        assert protocol in ("inspircd3", "charybdis", "hybrid", "plexus", "unreal4")
+        assert protocol in (
+            "bahamut",
+            "inspircd3",
+            "charybdis",
+            "hybrid",
+            "plexus",
+            "unreal4",
+        )
 
         with self.open_file("conf/services.conf") as fd:
             fd.write(
diff --git a/irctest/controllers/atheme_services.py b/irctest/controllers/atheme_services.py
index a3c490a..6877c9f 100644
--- a/irctest/controllers/atheme_services.py
+++ b/irctest/controllers/atheme_services.py
@@ -61,7 +61,7 @@ class AthemeController(BaseServicesController, DirectoryBasedController):
         if protocol == "inspircd3":
             # That's the name used by Anope
             protocol = "inspircd"
-        assert protocol in ("inspircd", "charybdis", "unreal4")
+        assert protocol in ("bahamut", "inspircd", "charybdis", "unreal4")
 
         with self.open_file("services.conf") as fd:
             fd.write(
@@ -86,7 +86,7 @@ class AthemeController(BaseServicesController, DirectoryBasedController):
                 "-D",
                 self.directory,
             ],
-            stdout=subprocess.DEVNULL,
+            # stdout=subprocess.DEVNULL,
             # stderr=subprocess.DEVNULL,
         )
 
diff --git a/irctest/controllers/bahamut.py b/irctest/controllers/bahamut.py
new file mode 100644
index 0000000..62a26ef
--- /dev/null
+++ b/irctest/controllers/bahamut.py
@@ -0,0 +1,154 @@
+import os
+import shutil
+import subprocess
+from typing import Optional, Set, Type
+
+from irctest.basecontrollers import (
+    BaseServerController,
+    DirectoryBasedController,
+    NotImplementedByController,
+)
+from irctest.irc_utils.junkdrawer import find_hostname_and_port
+
+TEMPLATE_CONFIG = """
+global {{
+    name    My.Little.Server;         # IRC name of the server
+    info    "located on earth";     # A short info line
+}};
+
+options {{
+    network_name    unconfigured;
+    allow_split_ops;                # Give ops in empty channels
+
+    services_name   services.example.org;
+
+    // if you need to link more than 1 server, uncomment the following line
+    # servtype        hub;
+}};
+
+/* where to listen for connections */
+port {{
+    port    {port};
+    bind    {hostname};
+}};
+
+/* allow clients to connect */
+allow {{
+    host    *@*;    # Allow anyone
+    class   users;  # Place them in the users class
+    flags   T;      # No throttling
+    {password_field}
+}};
+
+/* connection class for users */
+class {{
+    name        users;      # Class name
+    maxusers    100;        # Maximum connections
+    pingfreq    90;         # Check idle connections every N seconds
+    maxsendq    100000;     # 100KB send buffer limit
+}};
+
+/* for services */
+super {{
+    "services.example.org";
+}};
+
+
+/* class for services */
+class {{
+    name        services;
+    pingfreq    60;         # Idle check every minute
+    maxsendq    5000000;    # 5MB backlog buffer
+}};
+
+/* our services */
+connect {{
+    name        services.example.org;
+    host        *@*;
+    apasswd     password;
+    cpasswd     password;
+    class       services;
+}};
+"""
+
+
+class UnrealircdController(BaseServerController, DirectoryBasedController):
+    software_name = "Bahamut"
+    supported_sasl_mechanisms = {"PLAIN"}
+    supports_sts = False
+
+    def create_config(self) -> None:
+        super().create_config()
+        with self.open_file("server.conf"):
+            pass
+
+    def run(
+        self,
+        hostname: str,
+        port: int,
+        *,
+        password: Optional[str],
+        ssl: bool,
+        run_services: bool,
+        valid_metadata_keys: Optional[Set[str]] = None,
+        invalid_metadata_keys: Optional[Set[str]] = None,
+        restricted_metadata_keys: Optional[Set[str]] = None,
+    ) -> None:
+        if valid_metadata_keys or invalid_metadata_keys:
+            raise NotImplementedByController(
+                "Defining valid and invalid METADATA keys."
+            )
+        assert self.proc is None
+        self.port = port
+        self.hostname = hostname
+        self.create_config()
+        (unused_hostname, unused_port) = find_hostname_and_port()
+        (services_hostname, services_port) = find_hostname_and_port()
+
+        password_field = "passwd {};".format(password) if password else ""
+
+        self.gen_ssl()
+
+        assert self.directory
+
+        # they are hardcoded... thankfully Bahamut reads them from the CWD.
+        shutil.copy(self.pem_path, os.path.join(self.directory, "ircd.crt"))
+        shutil.copy(self.key_path, os.path.join(self.directory, "ircd.key"))
+
+        with self.open_file("server.conf") as fd:
+            fd.write(
+                TEMPLATE_CONFIG.format(
+                    hostname=hostname,
+                    port=port,
+                    services_hostname=services_hostname,
+                    services_port=services_port,
+                    password_field=password_field,
+                    # key_path=self.key_path,
+                    # pem_path=self.pem_path,
+                )
+            )
+        self.proc = subprocess.Popen(
+            [
+                # "strace", "-f", "-e", "file",
+                "ircd",
+                "-t",  # don't fork
+                "-f",
+                os.path.join(self.directory, "server.conf"),
+            ],
+            # stdout=subprocess.DEVNULL,
+        )
+
+        if run_services:
+            self.wait_for_port()
+            self.services_controller = self.services_controller_class(
+                self.test_config, self
+            )
+            self.services_controller.run(
+                protocol="bahamut",
+                server_hostname=hostname,
+                server_port=port,
+            )
+
+
+def get_irctest_controller_class() -> Type[UnrealircdController]:
+    return UnrealircdController
diff --git a/irctest/server_tests/test_register_verify.py b/irctest/server_tests/test_register_verify.py
index f094f5b..c91c6c4 100644
--- a/irctest/server_tests/test_register_verify.py
+++ b/irctest/server_tests/test_register_verify.py
@@ -4,6 +4,7 @@ from irctest.patma import ANYSTR
 REGISTER_CAP_NAME = "draft/account-registration"
 
 
+@cases.mark_specifications("IRCv3")
 class TestRegisterBeforeConnect(cases.BaseServerTestCase):
     @staticmethod
     def config() -> cases.TestCaseControllerConfig:
@@ -27,6 +28,7 @@ class TestRegisterBeforeConnect(cases.BaseServerTestCase):
         self.assertMessageMatch(register_response, params=["SUCCESS", ANYSTR, ANYSTR])
 
 
+@cases.mark_specifications("IRCv3")
 class TestRegisterBeforeConnectDisallowed(cases.BaseServerTestCase):
     @staticmethod
     def config() -> cases.TestCaseControllerConfig:
@@ -53,6 +55,7 @@ class TestRegisterBeforeConnectDisallowed(cases.BaseServerTestCase):
         )
 
 
+@cases.mark_specifications("IRCv3")
 class TestRegisterEmailVerified(cases.BaseServerTestCase):
     @staticmethod
     def config() -> cases.TestCaseControllerConfig:
@@ -102,6 +105,7 @@ class TestRegisterEmailVerified(cases.BaseServerTestCase):
         )
 
 
+@cases.mark_specifications("IRCv3")
 class TestRegisterNoLandGrabs(cases.BaseServerTestCase):
     @staticmethod
     def config() -> cases.TestCaseControllerConfig: