This illustration by Robin Davies appears on the final page of the Ladybird book "The Iron Master". Whilst He-Man holding aloft the Sword of Power is nothing original, the colors and boldness of this illustration are very strong. I like the fact that we can see the remains of the Iron Master, and the molten rock, at He-Man's feet. A very victorious illustration!
(click on the image to see it at full-size)