A model with this Keyword treats an Out of Action result from the Injury Roll Table as a Down result unless the result was caused by a Bloodbath Roll. In addition, you cannot remove BLOOD MARKERS from a friendly model with this Keyword (the opposing player can use them normally). Finally, a model with this Keyword has the NEGATE FEAR and NEGATE GAS Keywords.
A model with this Goetic Ability has the GOLEM Keyword. In addition, this model loses the TOUGH Keyword if it has it, and it cannot gain the TOUGH Keyword through any other means