Question about ubers

Hi guys. Iv want to get your opinion on doing ubers with a hdin. I was wondering if there is something like a minimum life total/damage/some other stat that i would need to be able to do ubers by my self. Or is it even possible to do ubers solo as a hdin?

Im asking cause iv got enough currency to be able to buy either a low-mid torch or a few sets of keys.

Sorry if this a stupid/newbie question, and thanks in advance for your answers/opinions :)