black heart of the void quest, help

[ah| Brave conscript]

i seem to be stuck with this witch quest. there is a place in a lava floor where shutter doors close behind with two giant bosses pummeling on me. also skelet keys are limited to one per game so i need to clear all the path again every time.
should i keep trying? can i get this one after i go to expansion and/or next difficulty? will the reward still be relevant?

[Včelí medvídek]

http://grimdawn.wikia.com/wiki/Black_Heart_of_the_Void

You get relic blueprint as reward so it is always worthy (and reward is different/repeatable at each difficulty) and blueprints are almsot always relevant..

Those dungeons (there is more of this type) are best palce for farming (xp/items like blueprints and legendaries... but also very hard zones. You can outlevel them eventually but they scale very high (normal/veteran like lvl 60, eElite like lvl 80, Ultimate can nto be outleveled as its caped). But you can return later with better/optimised gear (mainyl maxed resistances would help)