T10 Mephisto is overtuned as all heck.
I can clear anything in T10 and pit well beyond T10 with 0 problems, but can’t put a dent in phase 1 Mephisto at T10.
I’ve worked my build, rerolled it all to perfect, and I won’t be wasting my time doing it all again. You want people to play more D4, respect their time.
That is the pinacle boss o the season, it is normal to be really hard to do.
But go for t12, keep farming, you can do it when you get stronger easily.
If you need help just for the quest, let me know, i can help.
i think you don’t understand concept of A real uber boss , Lair Boss is nothing comparison to Lilith and Mephisto and because is story boss , it should stay very hard , and also Mephisto is optional and like i said aspirational content , some people have to learn what is it , is no guaranteed you should do , only dedicated players do
Have you considered Princes Peach Showtime? My 10 year old daughter loves it, her hour of screen time per day is normally sunk into that!
ahahahahah ROFL
Sonic Imbued is nice also, my son is owning
I agree with most of what you said with the exception of he is optional, that’s not entirely true. To finish the season you need to kill him on t10.
Like many many others, I can’t kill him yet either.
Yeah, hard to not agree. When you can run T12 just fine, nothing in T10 should be as hard as that for a well-geared character with solid defenses. I didn’t like it when they made defensive gearing largely irrelevant for Lilith, and I dont like it here either. Having said that, I’ve gotten very close to beating him in phase 3, and I’d probably have bothered to complete it by now if not for the time wasting cutscenes. Making me spend half the duration of every attempt enduring unskippable dialogue and the like is a big interest killer. 
ill run you through it if you want
it is supposed to be hard. If you learn the mechanics and do the fight, it is very doable. “Respect their time” you cant expect to get everything handed to you, otherwise where is the challenge? In many regards d4 is a very forgiving and non-hardcore game, dont cry just because you cant get the ultimate thing
No. Absolutely disagree. Bosses have been trivialized in this game, and there needs to remain an epic pinnacle boss battle. The only thing that’s a little irritating are the cutscenes, but defeating such a powerful boss is rewarding as …
The boss is easy to the point im doing t12 4 man carries haha
as immortal barb ?
or immortal sorc ?
If you want an easier fight you need to be able to do T12 content pretty comfortably. If you can’t clear a T12 lair boss don’t bother with T10 Mephisto. If you can take down a T11 greater lair boss fast then you’re probably ready.
If you cannot kill Mephisto on T10, then you hit the wall for your gears and skills.
If you just do fightblazing and ignore the movesets, then you need to improve your gears and probably hit the 100-150 billion damage to clear it fast.
If you have patience and learn the movesets, your current gear can finish mephisto but will take long and probably will tire you out.
Getting kicked in the balls?
hard does not equal impossible. Mephisto is so overtuned that he’s near impossible. Even for strong builds and experienced players. Hard should be hard. We once again come down to the fact that Blizzard is completely clueless when it comes to game balance. Has been for many, many, many years.
He’s overtuned for T10. Focus on getting to T12 then try him again.
Which is the part that bothers me. The monster power system within a given difficulty level is a little too sharply tuned with respect to bosses for my tastes, Meph being the most incredible example since Lilith. Doesn’t seem to me that anything in T10 should be 10x as difficult as another thing in T10 (or 50x), and so on and so forth. 
Its the pinnacle fight. Its suppose to be hard just like lilith was.
Theres no shame in recognizing you or your build isnt capable.
T10 is also what the devs seem to think is the endgame. T11-12 honestly seem to exist more for group play.
I think they knocked the difficulty out of the park.
Fantastic that Mephy t10 is challenging, and Mephy on t12 aspirational.