Defender of All Universes.Keith shuttles the clone Shiro to the Castle as the Paladins prepare to engage Lotor. It is a difficult battle, due to Lotor's mech's superior speed and evasion, but the Paladins are able to force him into a corner and gain the upper hand. Just before finishing him, Lotor's mech suddenly jumps into the quintessence field at will, making him even harder to attack while also replenishing his energy with quintessence. Realizing that the only way to defeat him is within the field, Allura opens a path into the field where Lotor waits for them...