Fantastic Four (1961) #54

"Whosoever Finds the Evil Eye..!"

While the FF enjoy a playful baseball game with the Black Panther and his people in Wakanda, in the Hidden Land, the Inhumans try to convince Maximus to work on a device that will break down the barrier that keeps them trapped in their land. While back in Wakanda, Johnny wishes he could see Crystal again and so with a all terrain vehicle provided by the Black Panther, he and Wyatt Wingfoot travel to find a way to get past the barrier and get into the Hidden Land.

They come across an ancient temple where they rouse the last survivor of Avalon, Prester John, keeper of a powerful weapon known as the Evil Eye. Displaying it's power, he shows that it can fire destructive beams of force as well as create, when he seals Johnny and Wyatt in a force dome.