This person recruited Justin Martialis, who was denied a promotion to centurion, to assassinate his predecessor. For 10 points each:
[10h] Name this emperor who briefly reigned during the Crisis of the Third Century until he was overthrown by Julia Maesa at the Battle of Antioch. This person struggled to pay the lavish military wages of his predecessor, Caracalla, during his brief interruption of the Severan Dynasty.
ANSWER: Marcus Opellius Macrinus
[10m] Macrinus gave his son Diadumenianus a title referring to this fourth of the Five Good Emperors to bolster his popularity. This predecessor to Marcus Aurelius names a wall north of Hadrian’s Wall.
ANSWER: Antoninus Pius [accept Antonine wall]
[10e] One of Macrinus’s reforms was increasing the purity of these items, which had been reduced by Caracalla. Examples of these items minted throughout the Roman Empire included the aureus and the denarius.
ANSWER: coins [prompt on currency]
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