The Elder God's hand is a mass of tentacles that seems to appear with out a sound or warning, he kills thousands of The Sacred Ancestor's Army with it in one swoop. One of the assassins is able to cut one off. D is able to cut a hole to use as a cave to weather the pain the god is in which causes extermly high level hurricaine force winds at times.
Rancor makes a physical attack that appear with out sound that can obliterate mountains, or most likely even wider ranges leaving an imprint of a giant hand left behind in its wake. The other Gods may also have similar abilities that take a similar form.