Same word as riven:

break, claw, cleave, crack, damage, divide, evulse, extract, fray, frazzle, gash, grab, impair, incise, injure, lacerate, mangle, mutilate, pluck, pull, pull apart, rend, ribbon, rift, rip, run, rupture, scratch, seize, separate, sever, shred, slash, slit, snatch, split, sunder, wrench, wrest, yank