Ygdras yelled in pain as he doubled over before looking at Han, "Find your crystal and build your saber!" He yelled as he stood up. (@Toa_Vladin)
He was glaring at the clones, remembering how they showed their master, and now his friends too, no mercy...so why should he show them any after what they did?
He tries to do what he did before, channeling his anguish, anger, hate and fear to try and call forth that lightning again to strike the clones that betrayed them.
At this point, he didn't seem to care he was falling; all he wanted was to make these clones suffer for their actions and end them. (@EmperorDuckie)