Update: if you want to send your congratulations, a good spot for it is on the DSF.  :)  Not aware of how tough this achievement is?  Try this on for size:

- No magic used at all
- No magic items used at all
- 29 hours of gameplay
- Potions used: at least 2,200 reds, over 160,000 Gold
- Plate Mails shredded: 4
- Chain Mails shredded: 2
- Skull Caps shredded: 17
- Shields ripped to shreds: 1 (they didn't block much)
- Shields bought from Gris, scattered on dungeon floor: 17
- Total durability lost on all swords combined: 18
- Total durability lost on armor, when we even wore any: 500
- Combined AC of all four characters on an average run on 14: 72
- Number of trips to 16 required to kill just Diablo: 29
- % Blocking rate vs Blood Knights: 8% (Animal) to 22% (Sparta)
- Longest stretch without a single kill: 90 mins

Or, as Charis stated, "This was the toughest H/H game I've ever had or care to have - it's like beating your head against a wall so long that it just feels good when you stop."  Congratulations to the gang once again.  I'm so impressed I won't even call you variant scum!  :)