C5925 Yang Huyun's Miserable Ending!

Perhaps, Zhang Xiaofann's intention was to cripple Yang Huyun's left and right legs. The 'third leg' just now should be a mistake or something else, right?

Could there be some other meaning behind this?

"No... No... I beg you, please don't..."

"You can't do this... You must not do this..."

"I... I am from Giant Sand Gang, Fourth Master Liao's..