Thought I would post this guide because of the recent influx of interest in the cave. I don't know why this cave was incorporated into the game because this kind of content is so high end that it takes an immense amount of skills to even reach the bottom and still have the courage to face the Meatlump King.
Though rare, the Meatlump Vibro Motor gives ten-fold damage to any weapon that it is applied to. Only one of these motors has ever been looted to my knowledge, as well as the Meatlump Energy Wood Staff that is looted from the Meatlump King.
The Meatlumps on Rori are comparable in strength to the Nightsisters of Dathomir and drop equally good loot. The trick is finding them. When I came across the strange cave located on Rori I was very curious as to what was inside, and was greeted by a one hit incap by a Meatlump Protector.
I waypointed the location and came back to explore the cave. This time I was lucky to get past the Meatlump Protectors without a hitch. I slowy meandered down the cave and was wary of the constantly spawning Meatlump Initiates and Outcasts. One of the strange things I noticed were these Meatlumps used Force Attacks with regular weapon, just like the Nightsister. After making it to the end of the cave, I noticed a final red dot and engaged. Now I have soloed many Elders and other high end MOBs but none were as tough as Junot Malik, the Meatlump King.
This beast had a little over 500k HAM and 100% resists to everything except Electricity, which it had 90% protection. I quickly whipped out my 746 Max Vibro Lance and started pounding away with Leg Hit. An hour went by and the King was only down to 50% of his health. 1000 damage bleeds and insane damage hits kept me constantly healing myself. Two hours and ten minutes later, the King was gone. I had over 150 wounds in each pool and I had to switch armor twice in the middle of the fight.
I walked over to the corpse of the King and got the "You have completely looted the corpse of all items" message and *POOF*, the cave around me was gone. I shot a double-take. Nothing. No Meatlumps, no cave. I was perplexed and amazed at the same time. I called my bike and swooped the 3 kilometers South to Narmle, where I logged out. After logging back in, I had totally forgotten about the loot. I opened my inventory and there was a nice 400 mind fire wood staff with over 10,000 uses
Still amazed, I swooped back to the WP of the cave and there was nothing. A small group of thugs were spawned there.
Now some might believe me and some will not. I know I have told Jerele about this before and he spent days searching for the cave and got that Exceptional Hammer with Carnage. Once the hammer was looted the cave was gone, just as had happened to me. If you want to try your hand at the Meatlump King, it will take hours of dedicated searching unless your lucky. Good Luck!