Plague Skull of Glothila

PLAGUE SKULL OF GLOTHILA
Once per battle, at the end of your
Movement phase, the bearer can use this
Relic. If it does, select one enemy unit
within 6" of the bearer and roll seven D6s:
for each 4-5, that unit suffers 1 mortal
wound; for each 6, that unit suffers D3
mortal wounds.