At the end of each Melee Phase, check and resolve the following effects for all models with Vampiric:
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Character (or Attachable Model): if at least one attack with Vampiric made by the Character (or Attachable Model) caused any HP loss against enemy units, the model with Vampiric can make a single Vampiric roll. If successful, the model Recovers a single~HP.
Rank-and-File model: if at least one attack with Vampiric made by a Rank-and-File model in the unit caused any HP loss against enemy units, the unit can make a single Vampiric roll. If successful, the unit’s Rank-and-File Health Pool Raises a single~HP.
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A Vampiric roll is successful if the D6 scores X+, where X is the number stated within brackets. If a unit or Character has multiple model parts with this Attack Attribute that each caused a HP loss, use the best value.