Certainly! Here’s a comprehensive creation of a unique Necron Dynasty, considering the hierarchy and units you mentioned:

### Dynasty Name: Dynasty of Xoth-Nahut

#### Background:
The Xoth-Nahut Dynasty is one of the most ancient Necron dynasties, often considered a legendary faction shrouded in both fear and mystery. Their home world, Xoth Prime, is a ghostly planet covered in obsidian pyramids and eerie green energies. This dynasty prides itself on mastering the dark sciences and temporal manipulation.

#### Leadership:
- **Phaeron (Overlord) Xoth’khet the Eternal**:
  - **Title**: The Infinite Arbiter
  - **Description**: Known for his unchallengeable wisdom and strategic brilliance, Xoth’khet has led his dynasty through countless millennia. His body is adorned with intricate glyphs that channel temporal energy, making him able to foresee and manipulate the flow of time.

- **Necron Lord Varak the Unyielding**:
  - **Title**: Lord of Shadows
  - **Description**: Varak is a formidable tactician known for his relentless pursuit of victory. Clad in ancient but nearly impervious necrodermis, he never retreats and ensures the absolute loyalty of his legions.

#### Special Units:
- **Cryptek Merak the Voidweaver**:
  - **Field of Study**: Chronomancy (Temporal Manipulation)
  - **Abilities**: Merak uses his knowledge to bend time, creating temporal anomalies that can freeze enemy units or accelerate Necron repairs.

- **Lychguard of Xoth-Nahut**:
  - **Role**: Bodyguards to the Necron nobility
  - **Equipment**: Armed with warscythes and phase shields, these warriors are relentless in their duty to protect their overlords.

- **Immortals of Xoth Prime**:
  - **Role**: Elite infantry
  - **Equipment**: Specialized Gauss blasters that harness destabilizing energies, making them more potent than standard weapons.

- **Necron Warriors**:
  - **Role**: Core soldiers
  - **Description**: Equipped with Gauss Flayers, these warriors march in unyielding phalanx formations, reinforced by the indomitable will of their dynasty.

- **Destroyers of Nihil**:
  - **Role**: Heavy assault units
  - **Description**: These annihilation-obsessed Necrons are equipped with Gauss Cannons and fueled by an insatiable hatred for all organic life, driven by sorrow and rage from eons past.

- **Flayed Ones of Xoth-Nahut**:
  - **Role**: Terror troops
  - **Description**: These cursed Necrons are horrifying to behold, draped in the flesh of their victims, spreading fear and chaos among enemy ranks.

- **Wraiths of the Void**:
  - **Role**: Infiltration and sabotage
  - **Description**: These ethereal constructs can phase through solid matter, striking fear into the heart of their enemies with their sudden, spectral assaults.

- **Canoptek Scarabs**:
  - **Role**: Utility swarms
  - **Description**: Small, highly efficient insects that can dismantle enemy fortifications and vehicles with microscopic precision.

- **Canoptek Spyders**:
  - **Role**: Battlefield support
  - **Description**: Massive robotic constructs that oversee the repair and maintenance of Necron forces, and can spawn swarms of Scarabs as needed.

### Dynastic Traits:
- **Temporal Dominance**: Units from the Xoth-Nahut Dynasty have enhanced reaction times and can momentarily step outside of regular time-flow, making them extraordinarily difficult to hit.
- **Obsidian Resilience**: The necrodermis of Xoth-Nahut units is reinforced with a unique blend of materials from Xoth Prime, providing them additional resistance to energy-based attacks.

### Dynastic Code:
- **"Through time eternal, we shall reign."**: Reflecting their mastery over time and undying tenacity, this creed is echoed across the battlefield, inspiring fear and awe in equal measure.

The Xoth-Nahut Dynasty is a force to be reckoned with, blending ancient knowledge with unstoppable power, eternally pursuing dominance across the stars.