Watching Mahi's stream, I noticed he did Tran Athulua and Duncraig with a throw barb (rampage) with ease using very little gear. If I remember correctly, he had 3 dex craft to grab high sources of ar% and Kra RW body armor, SU balanced axe and a Dementia belt (which he luckily found just before). That's what I've personally seen, but Mahi claims he was doing all that with ease too even before he found the Griefbringer and the Demention, with just crafts.
From my personnal experience, bowzon is the character that could do duncraig the easiest to start finding lots of sets/SU's, but that was during the time that you could use 3 honorific and spam -% enemy resist, I'm not sure if bowzon works now that you can't double your tri-ele dmg throught MO's.
Wolf like you mentioned is very good in these places, but it's probably the most item dependant build in the game. He requires a very high dmg weapon (Shark RW in weapon, meaning he needs lvl 121) as well as very hard to find armor/jewelry pieces.
Just a quick note btw, after grinding for hours, Mahi found that TA now just drops way more sacred uniques than Duncraig and it's way easier too. Many characters can do TA with little to not gear, for instance totem necro, melee necro and throw barb to name a few. That place becomes efficient to grind when you can slap Lum runes and mf% MO's on your gear.