Riddle of the Slumbering Sage

Remove all falsehoods that disturb the sage's sweet slumber. I cannot comprehend why the Master only left us instructions to save the future and left such horrible weapon designs saved in the Dopplenus. He should've deleted these if they were still under development or completely scrapped designs! Why did he leave them behind?!  That explains why these weapons dance without ceasing and cause such a ruckus... And if the Master was ever to reawaken, he wouldn't hold back on his scolding... Sigh... save the world, or save my skin from the Master's wrath... this is all too tiring, indeed. - Yolu -