Plague Surgeon

While this model is leading a unit, in your Command phase, you can return 1 destroyed Bodyguard model to that unit.

At the start of the Fight phase, select one enemy unit within Engagement Range of this model. Until the end of the phase, each time this model makes an attack that targets that unit, an unmodified Hit roll of 5+ scores a Critical Hit. If that unit is below Half-strength, an unmodified Hit roll of 4+ scores a Critical Hit instead.

While a Bodyguard unit contains a Leader, it is known as an Attached unit and, with the exception of rules that are triggered when units are destroyed (pg 12), it is treated as a single unit for all rules purposes. Each time an attack targets an Attached unit, until the attacking unit has resolved all of its attacks, you must use the Toughness characteristic of the Bodyguard models in that unit, even if a Leader in that unit has a different Toughness characteristic. Each time an attack successfully wounds an Attached unit, that attack cannot be allocated to a Character model in that unit, even if that Character model has lost one or more wounds or has already had attacks allocated to it this phase. As soon as the last Bodyguard model in an Attached unit has been destroyed, any attacks made against that unit that have yet to be allocated can then be allocated to Character models in that unit.

Each time the last model in a Bodyguard unit is destroyed, each CHARACTER unit that is part of that Attached unit becomes a separate unit, with its original Starting Strength. If this happens as the result of an attack, they become separate units after the attacking unit has resolved all of its attacks. 

Each time the last model in a CHARACTER unit that is attached to a Bodyguard unit is destroyed and there is not another CHARACTER unit attached, that Attached unit’s Bodyguard unit becomes a separate unit, with its original Starting Strength. If this happens as the result of an attack, they become separate units after the attacking unit has resolved all of its attacks. 

Each time a unit that is part of an Attached unit is destroyed, it does not have the keywords of any other units that make up that Attached unit (unless it has those keywords on its own datasheet) for the purposes of any rules that would be triggered when that unit is destroyed.

If your Army Faction is DEATH GUARD, while an enemy unit is within Contagion Range of one or more Death Guard units from your army, it is Afflicted.

CONTAGION RANGE 1st Battle Round: Contagion Range = 3" 2nd Battle Round: Contagion Range = 6" 3rd Battle Round Onwards: Contagion Range = 9"

Contagion Range cannot be greater than 12" after modifiers.

AFFLICTED

During the Declare Battle Formations step, select one of the Plagues below. Until the end of the battle, while an enemy unit is Afflicted, subtract 1 from the Toughness characteristic of models in that unit, and that unit has the effect of your chosen Plague.

Skullsquirm Blight Each time a model in this unit makes a melee attack, subtract 1 from the Hit roll.

Rattlejoint Ague Worsen the Save characteristic of models in this unit by 1.

Scabrous Soulrot Worsen the Move, Leadership and Objective Control characteristics of models in this unit by 1 (this rule can only worsen a model's Objective Control characteristic to a minimum of 1).

Each time an attack made with a [LETHAL HITS] weapon results in a critical hit, you can choose for that attack to automatically wound the target.  Designer’s Note:* Choosing to automatically wound the target means that no wound roll is made for that attack. You may decide against this, as it means that attack cannot result in a critical wound* and so cannot trigger other abilities such as [DEVASTATING WOUNDS].