It was definitely not easy since I used every single SoU on the staff for the mage. Died at Yog, but it's doable, especially if you have a grim staff of disintegration.
It was an achievement hunter run, but I still wanted to win .
Looks like you need more practice then. I also got the badge by slapping every SoU on the staff, but mine was a win
I stuck with magic missile, using mainly corrosion as a secondary to take advantage of the boost, and the on-hit recharge to keep it usable
Do need more practice for sure, but I'm glad I made it this far just to get this achievement anyway.
~250 games isn't enough practice. There's always more ways to play