Complex sentence: Come episode 27, the Kyo'Akk army has been taken over by General Masaka, and he succeeds in heavily damaging Gekigangar to a great extent, and his final attack impales Gekigangar through the waist, directly through Joe's cockpit and him.
Split into simpler sentences: Come episode 27, the Kyo'Akk army has been taken over by General Masaka. He succeeds in heavily damaging Gekigangar to a great extent: his final attack impales the mecha through the waist, directly through Joe's cockpit and him.