What is this thing? Is it dangerous? Is it useful?

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I've scoured the Technic Pack Wiki and I'm stumped. I don't even know which of the pack's mods this thing comes from. The page on obelisks I did find appears to be an entirely different structure. This thing I'm looking at is not a Mystcraft obelisk – they aren't connected to the ground, and in any case I've found them in my overworld too. They're definitely from some other mod in the pack.

I haven't had the courage to mess with them yet (apart from walking around under it and learning that I don't immediately explode or turn into a zombie), but I've just found a Mystcraft world where there are a half-dozen right around the spawn – if I can exploit them somehow I've hit the motherlode.

  • A downvote already! Do I have food on my face? Is the title too cheeky? Either of those can be fixed if I knew what the objection was. Sep 25, 2012 at 17:40
  • I didn't downvote but the title is really bad.
    – user1978
    Sep 25, 2012 at 17:56
  • @dbemerlin Fair enough. It's honestly what I first thought when I found my first one. Sep 25, 2012 at 18:11
  • 5
    do not lick the floating obelisk!
    – bharal
    Sep 25, 2012 at 18:55

1 Answer 1



Obelisks found in forest, plains, mountain and jungle biomes are surrounded by a small floor made out of various types of stone bricks and up to four pillars made out of circular stone bricks. Obelisks in desert biomes are surrounded by sandstone instead, and have up to four pillars made out of various types of ornamental sandstone. In swamp biomes, the floor and the pillars surrounding the Obelisks are made from mossy cobblestone.

Below the obelisk is a shaft made out of unbreakable Eldritch Stones which reaches to the very bottom of the map. Those eldritch stones themselves are seemingly indestructible and resist even the most sturdy of diamond pickaxes

TL;DR: They are markers for secret chambers full of treasure far below them.

  • Sweet! Then this world really is the motherlode. I really wish the wiki was more discoverable. Sep 25, 2012 at 18:12
  • Be careful digging under it, though, as the shafts don't exist until the obelisk is unlocked.
    – SaintWacko
    Sep 25, 2012 at 18:47
  • 2
    @SaintWacko I just read that. And trying random unlocks makes it blow up! Technic adds so many exciting ways to die. Sep 25, 2012 at 19:12
  • 2
    @SevenSidedDie - The creators probably play Dwarf Fortress. Losing is Fun!
    – SaintWacko
    Sep 25, 2012 at 19:28
  • Once you unlock one, you CAN mine the stones (Eldritch Stones), provided that you have good tools. If you have some of the advanced tools from IC2, they work - specifically, the Diamond Drill and the Mining Laser (set to long-range, it will destroy one Eldritch Stone). If you are trying to unlock it, it's easiest if you craft the Goggles of Revealing so you can see the combination.
    – TARehman
    Sep 26, 2012 at 15:00

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