Putrid Corruption (Dark Blessing)

A model with this upgrade must reduce its Movement Characteristic by -2 and gains the Unrelenting special rule.
An Acastus Knight Porphyrion or Acastus Knight Asterius may not be given this Dark Blessing.
Unrelenting: Each time a model with this special rule suffers an Explodes result on the Vehicle Damage chart, it loses 1 extra Hull Point instead of D3, in addition to the Hull Point it loses for the Penetrating Hit