2 adverbs to describe how to flagellating

Private punishments are frequent; to my certain knowledge, a female slave was tied up by the heela, head downwards, and, after being cruelly flagellated, was left for dead by her, pitiless master.

He waved his arms about, wildly flagellating the air, his body writhing and twisting in torment.

2 adverbs to describe how to  flagellating  - Adverbs for  flagellating