You Used My Sister to Pay the Cost? I'll Steal a Century of Cultivation in Return

I have a terminal illness, and my sister was cheated by the black market into trading away twenty years of her life for fake medicine. I'm on the brink of death!

Just as death draws near, I awaken a plundering System. Killing enemies lets me steal players' cultivation and martial-world territory! I carve through the black market with a single blade, kill ten in a row, and seize [a century's worth of vitality]. My basic fist technique reaches [instant grand mastery], and I [break through to Grandmaster] on the spot! [Golden Finger Activated] [Power Showcase] [Overwhelming Burst]

You stole my sister's lifespan? Today, I'll drain a century of life from every powerful family in the city and shatter the myths of the high-martial world!