Staff of Herding...

... so I had a bounty for Chiltara and it dropped the gibbering gemstone in my first try! Then I had two bounties for Izual in a row and got the plan in second attempt. Finally went for the black mushroom and restarted the game 3 times and found it! This is the fastest I've ever gotten the staff of herding in about 10mins, may the D3 gods bless all of you as it did me!!!

p.s. surprisingly I'm actually stuck at augmented weapon just because I don't have enough gems, but will probably clear the altar tonight!