Wracks

Roll a D6 each time an unsaved Wound is suffered. On a 4 or less, you must take the
Wound as normal. On a 5+, the unsaved Wound is discounted treat it as having been
saved.
  Feel No Pain saves may not be taken against Destroyer attacks or against unsaved
Wounds that have the Instant Death special rule.

Ignore effects of Night Fighting (p135).

Turn 
1	None
2 	Feel No Pain (6+)
3	Feel No Pain
4	Feel No Pain, Furious Charge
5	Feel No Pain, Furious Charge, Fearless
6+	Feel No Pain, Furious Charge, Fearless, Rage