-Created The Wailing Wall that the Gold Saints had to sacrifice their lives against
-Created a space of "Billions of Galaxies" after cet wall
-The above space could destroy Gold Saints and their armor without divine protection
-Created Elysian at the other end of the above space
-Can create a barrier to put Gold Saints to 1/10th of their powers even Galaxy level ones
-In his weaker form he casually moved the planets of the Solar system cross dimensions
-His minion Thanatos could find and attack people across light years
-His minions Thanatos and Hypnos can manhandle multiple Gold Saint levels
-His minion Thanatos shattered 5 Gold Cloths easily(They can handle star level)
-His armor can negate absolute 0
-His sword can cut through armor superior to Gold Cloths
-His sword can drain the opponent of their power and prevent them from reincarnating
-He can give life to dead characters and control the time of their lifespan
-Manhandling 5 opponents who could fodderise Thanatos without them powering up
-Gold Saints can deal a 100 million strikes per sec, powerscale for Hades
-His soul could move at massively FTL speeds
Hell+Wailing Wall+The space after+Elysian are part of his one universe/dimension called the Super dimension. He could solo any universe that does'nt have 2-3 universals."
That's a post from another forum by someone called Tranquil Fury that I used in another thread about Hades power.
Also Gogeta didn't just beat Janemba he absolutely stomped on him. Now I'm going to give Gogeta some credit here, because to be honest he is possibly a galaxy buster, like Broly. But it's already been said several times in several different debates that you can find on this website that no one in DBZ could move FTL and as we know speed is always a big factor in a fight, especially when your opponent can move several times FTL. Hades can also take on opponents who are star busters easily, as stated above.
So in conclusion, I agree with you in that yes Janemba does have impressive reality manipulation powers. But, just as was with Gogeta, it counts for jack shit in the face of pure overwhelming power.