Out of this world (4)
(Other definitions for epic that I've seen before include "imposing" , "Confirm the truth of" , "On a grand scale, maybe a poem" , "of impressive proportions?" , "major work" .)
(Other definitions for cosmic that I've seen before include "To do with the whole universe" , "Huge" , "Relating to the universe" , "Great" , "Of the universe, immense" .)