Complex sentence: Soon after it reverted back into its original form, J.B. destroyed it with his Laser Lance command, rather than surrendering when impaled, it simply appeared confused, but the slashing finished it off.
Split into simpler sentences: Soon after it reverted back into its original form, J.B. destroyed it with his Laser Lance command. Rather than surrendering when impaled, it simply appeared confused, but the slashing finished it off.