Complex sentence: In battle, JB blasted the gem in the center of Laserbot's head, causing him to lose some of his power; he then meets his demise courtesy of JB's Laser Lance command.
Split into simpler sentences: In battle, JB blasted the gem in the center of Laserbot's head, causing him to lose some of his power. Laserbot meets his demise courtesy of JB's Laser Lance command.