adj. brutal, harsh
adv. brutally, harshly
v. to harshen, make or become brutal or harsh

Ahrk ond drey sahrot Heimverlund meyz, nol hevno Brom, med Strun do uznahgaar nahkriin nol Sovngarde nimaar.
And lo did the mighty Heimverlund come, from the brutal North, like a Storm of unbridled vengeance from Sovngarde itself.
(Word Wall for Strun, Storm Call)

Brutal or harsh, especially a brutal storm or a brutal winter. Describes severity in conditions, particularly weather, landscape, or other natural phenomenon.