Charles would look at the walls with a raised brow then he would take out a small topaz and do a silent chant before dropping it an it vanishes as suddenly 3 Silverback Gorillas appear around him and they lift the walls for him to go through, three gorilla's combine who could lift approximately close to 1500 LB by them selves, so one would assume with 3 they could lift 4500 LB's combined which is two tons and 500 pounds.