How do you keep your motivation up to knock out another dungeon again and again? I’ve been playing for about a month, have ascended twice and this path toward the third ascension is dragging on and on and on…In any case, I’m somewhere between floor 550 and 560 on Epic (I’m trying M3 off and on but that’s a real struggle) and finding progress…lacking. I do enjoy the game. I don’t want there to be any disputing that idea but lately, that is the last couple of days, I’ve noticed eternals not dropping as often, struggles to increase DPS and though I’m reading a ton here on the forum, my own progress just seems to stagnate and don’t even get me started on the challenge maps. Didn’t the developers come across the idea to add player bonuses to maps alongside the outrageous obstacles one faces when running through? I don’t know how many maps I’ve started just to be killed by a TnT prop before I even get started. I would enjoy your input and perhaps a few ideas on how to make the game a bit fresher because slowly I’m starting to feel the urge to put it down because the rewards aren’t coming in at nearly the rate of the frustration.
The first few times i was killed by tnt prop make me feel like the heck’s wrong with this game (: and the reason why i keep playing this game are 1. For Fun, 2. The feeling of getting stronger, 3. Unlock thoese mysteries hidden in the game i think. Even though, there are tons of glitch in this game (some are usefull and some aren’t) i’ll keep playing it till …
If you want to get experience for ascension only you can lower the floor to 200 and try mythic 3 there. Roll maps with crystal to provide 100+ packsize% and have fun in killing tons of monsters that way 
U can also use 6x quest mythstone for 200% bonus experience that will make your ascending 3x shorter!
First what you should do is to get some farming perks from ascension and try to get the build that can kill mobs and have luck and items drop as close to cap as possible. Try also using Eternalized and Crystaline set and with high luck you will be gaetting many legenaries and ultra rare crystals. There are builds on the forum that can help you with farming. Unfortunately farming is not super easy but it’s easier after the patch 2.1 with increased drop rates for eternal and crystal items trough ascension perks.
The game is very complex. What keeps me in the game is this complexity.
I understand that you have reached a limit to your current gear/build and will need to upgrade. The TNT and Skyfall are intended to be extremely deadly so that you will have to avoid them. But there are player rewarding affixes like Pack Size, increase enemy rarity (more Magic, Rare and Epic monsters) and extra monster affixes (this one is more of a gamble since it makes the enemies harder to kill but also allows them to get special buffs like giving out more loot and exp).
There are also special legend map affixes that appear only on Legend maps. I see nothing wrong with seeing some of these affixes drop on non legend maps in for future. What do you guys think of this suggestion?
The game does tend to get stale after a bit, I agree, since the time it takes to farm the gear and crystals for a good build is… significant. My only suggestion would be to play a bit less often.