I've been playing around in PoB. No cluster and the gear might not be "day 1" but it's not super crazy either. The influenced pieces are there to bump the block, you can use a rumi flask and anvil in the meantime.

PoB in comments.

Edit: you can remove two str nodes to instead take the dex node going towards warrior's blood, my mistake. It might be more convenient, if you need to add int or dex (+30 nodes) to keep the old pathing tho.

For onslaught against bosses, use a silver flask instead of the basalt flask.

Edit 2: thanks to "very angry englishman" I've realized that by taking out the soul Taker we end up having mana issues. Check my reply to his comment for some possible solutions.PoB

https://pastebin.com/B4Wv38vf