Constans dies through the plot of… (350) — the same event in Aurelius Victor and Epitome of Histories by Zonaras

Aurelius Victor: Constans dies through the plot of Magnentius (in the tenth year after his victory).; Epitome of Histories by Zonaras: Magnentius…

What each source says

Aurelius Victor, De Caesaribus · AD 350 · 불명

Constans dies through the plot of Magnentius (in the tenth year after his victory).

Qua Constans victoria tumidior, simul per aetatem cautus parum atque animi vehemens, adhuc ministrorum pravitate exsecrabilis atque praeceps in avaritiam…
Location: Aur. Vict. Caes. 41.23

Epitome of Histories by Zonaras · AD 350

Magnentius killed Constans

MAGNENTIVS NECAT CONSTANTEM.
Location: L2734

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