Warhammer 40,000: Regicide being a Rook), with the abilities and equipment it will receive in the Regicide battle mode, it will not necessarily have the same rules as a Rook. The Space Marine faction is represented by the red-armoured Blood Angels Chapter. The Space Marine Captain assumes the role of the 'King' in chess. The longer he stays alive the more hardened his remaining force becomes, and can call in bombardments. The Librarian assumes the role of the 'Queen' in chess. Being a Psyker, he can drain the life-force from foes, and shatter the minds of weakened enemies. The Terminator assumes the role
Regicide killed in battle by their subjects (for example Richard III), but none of these deaths are usually referred to as regicide. The word regicide seems to have come into popular use among foreign Catholics when Pope Sixtus V renewed the papal bull of excommunication against the "crowned regicide" Queen Elizabeth I, for—among other things—executing Mary, Queen of Scots, in 1587. Elizabeth had originally been excommunicated by Pope Pius V, in "Regnans in Excelsis", for converting England to Protestantism after the reign of Mary I of England. The defeat of the Spanish Armada and the "Protestant Wind" convinced most English people