diff --git a/flake.nix b/flake.nix
index c0586ac..1bfd0d4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -45,8 +45,24 @@
         users = [
           "jml"
         ];
-        #extraModules = [ (import ./overlays) ];
-        extraModules = [ stylix.nixosModules.stylix ];
+        extraModules = [
+          #(import ./overlays)
+          #stylix.nixosModules.stylix
+          { nixpkgs.config.allowUnfree = true; }
+          lanzaboote.nixosModules.lanzaboote
+          disko.nixosModules.disko
+          ./hosts/titanium/disko.nix
+          ({ pkgs, lib, ... }: {
+            environment.systemPackages = [ pkgs.sbctl ];
+            boot.loader.systemd-boot.enable = lib.mkForce false;
+            boot.lanzaboote.enable = true;
+            boot.lanzaboote.pkiBundle = "/var/lib/sbctl";
+          })
+        ];
+      };
+      cobalt = mkSystem {
+        hostname = "cobalt";
+        users = [ "jml" ];
       };
       # `nix build .#nixosConfigurations.installIso.config.system.build.isoImage`
       # https://github.com/nix-community/nixos-generators
diff --git a/hosts/cobalt/README.md b/hosts/cobalt/README.md
new file mode 100644
index 0000000..5f1169c
--- /dev/null
+++ b/hosts/cobalt/README.md
@@ -0,0 +1,21 @@
+
+Device Specific Hardware Details`
+```shell
+[nix-shell:~]$ lspci -nn
+00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers [8086:5904] (rev 02)
+00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 620 [8086:5916] (rev 02)
+00:04.0 Signal processing controller [1180]: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem [8086:1903] (rev 02)
+00:14.0 USB controller [0c03]: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller [8086:9d2f] (rev 21)
+00:14.2 Signal processing controller [1180]: Intel Corporation Sunrise Point-LP Thermal subsystem [8086:9d31] (rev 21)
+00:15.0 Signal processing controller [1180]: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 [8086:9d60] (rev 21)
+00:15.1 Signal processing controller [1180]: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #1 [8086:9d61] (rev 21)
+00:16.0 Communication controller [0780]: Intel Corporation Sunrise Point-LP CSME HECI #1 [8086:9d3a] (rev 21)
+00:17.0 SATA controller [0106]: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] [8086:9d03] (rev 21)
+00:1c.0 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #1 [8086:9d10] (rev f1)
+00:1c.5 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 [8086:9d15] (rev f1)
+00:1f.0 ISA bridge [0601]: Intel Corporation Sunrise Point-LP LPC Controller [8086:9d58] (rev 21)
+00:1f.2 Memory controller [0580]: Intel Corporation Sunrise Point-LP PMC [8086:9d21] (rev 21)
+00:1f.3 Audio device [0403]: Intel Corporation Sunrise Point-LP HD Audio [8086:9d71] (rev 21)
+00:1f.4 SMBus [0c05]: Intel Corporation Sunrise Point-LP SMBus [8086:9d23] (rev 21)
+02:00.0 Network controller [0280]: Intel Corporation Wireless 8260 [8086:24f3] (rev 3a)
+```
diff --git a/hosts/cobalt/configuration.nix b/hosts/cobalt/configuration.nix
new file mode 100644
index 0000000..bea1e3c
--- /dev/null
+++ b/hosts/cobalt/configuration.nix
@@ -0,0 +1,29 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, pkgs, ... }:
+
+{
+  networking.hostName = "cobalt"; # Define your hostname.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+  networking.networkmanager.enable = true;
+
+  # Desktop stuff specific to this device
+  services.xserver.enable = true;
+  services.xserver.displayManager.lightdm.enable = true;
+  services.xserver.desktopManager.pantheon.enable = true;
+  services.xserver.xkb = {
+    layout = "us";
+    variant = "";
+  };
+
+  fonts.packages = with pkgs; [
+    nerd-fonts.fira-code
+    nerd-fonts.iosevka
+    atkinson-hyperlegible
+  ];
+
+
+  system.stateVersion = "25.05";
+}
diff --git a/hosts/cobalt/default.nix b/hosts/cobalt/default.nix
new file mode 100644
index 0000000..b28af35
--- /dev/null
+++ b/hosts/cobalt/default.nix
@@ -0,0 +1,17 @@
+{ inputs, ... }:
+{
+  imports = [
+    ../../modules/nixos/base.nix
+    ../../modules/nixos/audio.nix
+    #../../modules/nixos/desktop.nix
+    # https://github.com/NixOS/nixos-hardware/blob/master/README.md#using-nix-flakes-support
+    # TODO: This module doesn't exist yet.
+    #inputs.nixos-hardware.nixosModules.asus-zenbook-ux390u
+    /home/jml/Workspace/nixos-hardware/asus/zenbook/ux390ua
+    ./hardware-configuration.nix
+    ./configuration.nix
+    ../../modules/nixos/gaming.nix
+  ];
+
+  zw.gaming.enable = true;
+}
diff --git a/hosts/cobalt/hardware-configuration.nix b/hosts/cobalt/hardware-configuration.nix
new file mode 100644
index 0000000..da7f0e2
--- /dev/null
+++ b/hosts/cobalt/hardware-configuration.nix
@@ -0,0 +1,41 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/959b3c06-58a2-45be-b2d6-275c489c31f8";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/2EC2-D03D";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/0239ee2a-484b-4a17-b1e9-02fd35df851f"; }
+    ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp0s20f0u1u3.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp2s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}