Nihilakh

All Necron units change their [Dynasty] keyword to Nihilakh. All units with the Nihilakh Keyword gain the Allegiance: Nihilakh special rule. The Allegiance: Nihilakh special rule consists of the following rules:

• Treasures of Opulence: All Nihilakh units with the Character special rule gain the Master-Crafted special rule on all weapons they are equipped with. All other Nihilakh units may re-roll Hit rolls of 1.
• Arrogant and Proud: Nihilakh units with the Character special rule and their attached unit in your army may not make a Retreat move in the movement phase.