i have teo and then pulled noct the paralyzer over the weekends summoning event both seem great soloing dungeons 25, ive stop farming in campaign as a result and now farm like crazy in dungeons which near end of month makes it a mission to play catch up to tick off that mission for campaign farming lol 

I pulled Teo a few weeks ago and he's on my short list as well.  Which dungeons/stages does he do for you?  As far as campaign, I still hit it off and on when I start to feel naked of mystery shards lol.

So this doesn't (maybe) necessarily answer your question, but one of the reasons I like using a champ like Urogrim (over Ninja, UDK and a few others I suppose) for solo content is I don't use him anywhere else, so I don't mind locking him into a very specific build I know I'm never going to touch. He's not necessarily the fastest, but assuming you can hit something like 70k hp/3k def/250+ speed/330+ res/250+ acc in Regen/Immo then he'll be super dependable for Dragon 24/25, can obviously drop down a bit if doing 20. And with blessings like Chainbreaker or Iron Will it gets even easier.

With Ninja and UDK I might want to use them elsewhere, so I don't want to lock them into a farming build/slot. So, I really like the idea of finding champs that don't need to be anywhere else. No Teodor yet, though. :)

That's a good point.  Appreciate the stats.  I'll have to consider him for dragon.

Teo can solo ig23 in about a minute and a half. Probably same for dragon. 

Is Urogrim strong enough to drag food along?  I like the logic of using one champ for a solo duty.  I have my UNM CB team speed tuned and it is hands off now.  

Yes.

The stats required are a thing...they can vary a bit depending on Dragon 20 vs. 24/25, and if you're using Frenzy + Immortal or Regen + Immortal but this is mine in Regen/Immortal 

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I would be happy to solo 20 for now.  How much lower can the stats be?

I have built two teos i got lucky and pulled a second one last week but teo  can solo and I saw a venomage solo dragon  on a creaters page a few months ago 

I'm using Orn to farm dragon 25. He's actually very fast for an epic, doing the job in about 3:30. The build is very easy as no res is required. Mine has 75k hp, 2.6k def, 186 speed, 265 acc.

I don't care about soloing IG, I only ever run this dungeon for fusions and when there's 2x (now 3x I guess) reflex on.