Yeah, I played it untwinked like 2 realms ago. It was before first challenge season. Only ubers i haven't done myself were the most difficult ones + I was much less experienced player back then. Only pieces of gear I haven' t got by myself were Clawfeet and SotS. After getting SU War Axe you can endlessly farm TA for rest of the gear. Toraja and Sewers are also not hard, cause 50% aoe slow and fast cast rate in this form do the work. Only early farming is harder, but if you'll go for proc based template, you should be fine. For ubers like judgement day I respec'd to Rain of Fire druid, I was doing it pretty early.
It really isn' t the worst build, especially if you don't want to go for cookie cutter kind of builds.