diff --git a/BasicRotations/DefaultRotations.csproj b/BasicRotations/DefaultRotations.csproj
index 9c7b070..d0b9c80 100644
--- a/BasicRotations/DefaultRotations.csproj
+++ b/BasicRotations/DefaultRotations.csproj
@@ -8,7 +8,7 @@
     <None Remove="Duty\PVPRotations\**" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="RotationSolverReborn.Basic" Version="4.1.1.1" />
+    <PackageReference Include="RotationSolverReborn.Basic" Version="4.1.1.7" />
   </ItemGroup>
   <ItemGroup>
 	  <Reference Include="Dalamud">
diff --git a/BasicRotations/Tank/DRK_zBeta.cs b/BasicRotations/Tank/DRK_zBeta.cs
new file mode 100644
index 0000000..40b2183
--- /dev/null
+++ b/BasicRotations/Tank/DRK_zBeta.cs
@@ -0,0 +1,212 @@
+namespace DefaultRotations.Tank;
+
+[Rotation("Beta", CombatType.PvE, GameVersion = "6.58")]
+[SourceCode(Path = "main/DefaultRotations/Tank/DRK_zBeta.cs")]
+[Api(1)]
+public sealed class DRK_zBeta : DarkKnightRotation
+{
+    #region Config Options
+    [RotationConfig(CombatType.PvE, Name = "Keep at least 3000 MP")]
+    public bool TheBlackestNight { get; set; } = true;
+    #endregion
+
+    #region Countdown Logic
+    // Countdown logic to prepare for combat.
+    // Includes logic for using Provoke, tank stances, and burst medicines.
+    protected override IAction? CountDownAction(float remainTime)
+    {
+        //Provoke when has Shield.
+        if (remainTime <= CountDownAhead)
+        {
+            if (HasTankStance)
+            {
+                if (ProvokePvE.CanUse(out _)) return ProvokePvE;
+            }
+        }
+        if (remainTime <= 2 && UseBurstMedicine(out var act)) return act;
+        if (remainTime <= 3 && TheBlackestNightPvE.CanUse(out act)) return act;
+        if (remainTime <= 4 && BloodWeaponPvE.CanUse(out act)) return act;
+        return base.CountDownAction(remainTime);
+    }
+    #endregion
+
+    #region oGCD Logic
+    // Decision-making for emergency abilities, focusing on Blood Weapon usage.
+    protected override bool EmergencyAbility(IAction nextGCD, out IAction? act)
+    {
+        if (base.EmergencyAbility(nextGCD, out act)) return true;
+
+        if ((InCombat && CombatElapsedLess(2) || TimeSinceLastAction.TotalSeconds >= 10))
+        {
+            if (BloodWeaponPvE.CanUse(out act, skipAoeCheck: true)) return true;
+        }
+
+        return base.EmergencyAbility(nextGCD, out act);
+    }
+
+    // Determines healing actions based on The Blackest Night ability.
+    [RotationDesc(ActionID.TheBlackestNightPvE)]
+    protected override bool HealSingleAbility(IAction nextGCD, out IAction? act)
+    {
+        if (TheBlackestNightPvE.CanUse(out act)) return true;
+        return base.HealSingleAbility(nextGCD, out act);
+    }
+
+    [RotationDesc(ActionID.DarkMissionaryPvE, ActionID.ReprisalPvE)]
+    protected override bool DefenseAreaAbility(IAction nextGCD, out IAction? act)
+    {
+        if (!InTwoMIsBurst && DarkMissionaryPvE.CanUse(out act)) return true;
+        if (!InTwoMIsBurst && ReprisalPvE.CanUse(out act, skipAoeCheck: true)) return true;
+
+        return base.DefenseAreaAbility(nextGCD, out act);
+    }
+
+    [RotationDesc(ActionID.TheBlackestNightPvE, ActionID.OblationPvE, ActionID.ReprisalPvE, ActionID.ShadowWallPvE, ActionID.RampartPvE, ActionID.DarkMindPvE)]
+    protected override bool DefenseSingleAbility(IAction nextGCD, out IAction? act)
+    {
+        act = null;
+
+        if (Player.HasStatus(true, StatusID.BlackestNight)) return false;
+
+        //10
+        if (OblationPvE.CanUse(out act, usedUp: true)) return true;
+
+        if (ReprisalPvE.CanUse(out act, skipAoeCheck: true)) return true;
+
+        if (TheBlackestNightPvE.CanUse(out act)) return true;
+        //30
+        if ((!RampartPvE.Cooldown.IsCoolingDown || RampartPvE.Cooldown.ElapsedAfter(60)) && ShadowWallPvE.CanUse(out act)) return true;
+
+        //20
+        if (ShadowWallPvE.Cooldown.IsCoolingDown && ShadowWallPvE.Cooldown.ElapsedAfter(60) && RampartPvE.CanUse(out act)) return true;
+        if (DarkMindPvE.CanUse(out act)) return true;
+
+        return base.DefenseAreaAbility(nextGCD, out act);
+    }
+
+    protected override bool AttackAbility(IAction nextGCD, out IAction? act)
+    {
+        if (CheckDarkSide)
+        {
+            if (FloodOfDarknessPvE.CanUse(out act)) return true;
+            if (EdgeOfDarknessPvE.CanUse(out act)) return true;
+        }
+
+        if (IsBurst)
+        {
+            if (UseBurstMedicine(out act)) return true;
+            if (InCombat && DeliriumPvE.CanUse(out act)) return true;
+            if (DeliriumPvE.EnoughLevel && DeliriumPvE.Cooldown.ElapsedAfterGCD(1) && !DeliriumPvE.Cooldown.ElapsedAfterGCD(3)
+                && BloodWeaponPvE.CanUse(out act)) return true;
+            if (!DeliriumPvE.EnoughLevel)
+            {
+                if (BloodWeaponPvE.CanUse(out act)) return true;
+            }
+            if (LivingShadowPvE.CanUse(out act, skipAoeCheck: true)) return true;
+        }
+
+        if (CombatElapsedLess(3))
+        {
+            act = null;
+            return false;
+        }
+
+        if (!IsMoving && SaltedEarthPvE.CanUse(out act, skipAoeCheck: true)) return true;
+
+        if (ShadowbringerPvE.CanUse(out act, skipAoeCheck: true)) return true;
+
+        if (NumberOfHostilesInRange >= 3 && AbyssalDrainPvE.CanUse(out act)) return true;
+        if (CarveAndSpitPvE.CanUse(out act)) return true;
+
+        if (InTwoMIsBurst)
+        {
+            if (ShadowbringerPvE.CanUse(out act, usedUp: true, skipAoeCheck: true)) return true;
+
+        }
+
+        if (PlungePvE.CanUse(out act, skipAoeCheck: true) && !IsMoving) return true;
+
+        if (SaltAndDarknessPvE.CanUse(out act)) return true;
+
+        if (InTwoMIsBurst)
+        {
+            if (PlungePvE.CanUse(out act, usedUp: true, skipAoeCheck: true) && !IsMoving) return true;
+        }
+        if (MergedStatus.HasFlag(AutoStatus.MoveForward) && MoveForwardAbility(nextGCD, out act)) return true;
+        return base.AttackAbility(nextGCD, out act);
+    }
+    #endregion
+
+    #region GCD Logic
+    protected override bool GeneralGCD(out IAction? act)
+    {
+        //Use Blood
+        if (UseBlood)
+        {
+            if (QuietusPvE.CanUse(out act, skipComboCheck: true)) return true;
+            if (BloodspillerPvE.CanUse(out act, skipComboCheck: true)) return true;
+        }
+
+        //AOE
+        if (StalwartSoulPvE.CanUse(out act)) return true;
+        if (UnleashPvE.CanUse(out act)) return true;
+
+        //Single Target
+        if (SouleaterPvE.CanUse(out act)) return true;
+        if (SyphonStrikePvE.CanUse(out act)) return true;
+        if (HardSlashPvE.CanUse(out act)) return true;
+
+        if (UnmendPvE.CanUse(out act)) return true;
+
+        return base.GeneralGCD(out act);
+    }
+    #endregion
+
+    #region Extra Methods
+    // Indicates whether the Dark Knight can heal using a single ability.
+    public override bool CanHealSingleAbility => false;
+
+    // Logic to determine when to use blood-based abilities.
+    private bool UseBlood
+    {
+        get
+        {
+            // Conditions based on player statuses and ability cooldowns.
+            if (!DeliriumPvE.EnoughLevel || !LivingShadowPvE.EnoughLevel) return true;
+            if (Player.HasStatus(true, StatusID.Delirium_1972) && LivingShadowPvE.Cooldown.IsCoolingDown) return true;
+            if ((DeliriumPvE.Cooldown.WillHaveOneChargeGCD(1) && !LivingShadowPvE.Cooldown.WillHaveOneChargeGCD(3)) || Blood >= 90 && !LivingShadowPvE.Cooldown.WillHaveOneChargeGCD(1)) return true;
+
+            return false;
+
+        }
+    }
+    // Determines if currently in a burst phase based on cooldowns of key abilities.
+    private bool InTwoMIsBurst
+    {
+        get
+        {
+            if ((BloodWeaponPvE.Cooldown.IsCoolingDown && DeliriumPvE.Cooldown.IsCoolingDown && ((LivingShadowPvE.Cooldown.IsCoolingDown && !(LivingShadowPvE.Cooldown.ElapsedAfter(15))) || !LivingShadowPvE.EnoughLevel))) return true;
+            else return false;
+        }
+    }
+
+    // Manages DarkSide ability based on several conditions.
+    private bool CheckDarkSide
+    {
+        get
+        {
+            if (DarkSideEndAfterGCD(3)) return true;
+
+            if (CombatElapsedLess(3)) return false;
+
+            if ((InTwoMIsBurst && HasDarkArts) || (HasDarkArts && Player.HasStatus(true, StatusID.BlackestNight)) || (HasDarkArts && DarkSideEndAfterGCD(3))) return true;
+
+            if ((InTwoMIsBurst && BloodWeaponPvE.Cooldown.IsCoolingDown && LivingShadowPvE.Cooldown.IsCoolingDown && SaltedEarthPvE.Cooldown.IsCoolingDown && ShadowbringerPvE.Cooldown.CurrentCharges == 0 && CarveAndSpitPvE.Cooldown.IsCoolingDown)) return true;
+
+            if (TheBlackestNight && CurrentMp < 6000) return false;
+
+            return CurrentMp >= 8500;
+        }
+    }
+    #endregion
+}