Trial of Grasses

The Trial of Grasses is a brutal Spartan tradition wherein the leaders of the three Spartan legions must compete with one another through a series of dangerous challenges. It is a rare tradition, occurring once every five hundred years; but once it is completed, a new Primarch shall be chosen to represent the Astra Sparticus in the Senatorum Imperialis.

The founding fathers of each legion are given the daunting task in arranging the challenges, making it as difficult as possible so that only the strongest Legion-Captain will be fit to attain the mantle of Primarch.