I need a Molten Core to craft a Metal Workbench, which presume will open up more crafting options to me. Where can I obtain one?

2 Answers 2


I fought the Penguin UFO last night. You can get it from him. A nice tactic is to use your universal tool and trap him with dirt, so he doesn't spawn penguins. Just hold him in place while you kill him.enter image description here

To spawn a Penguin UFO, Use a distress signal

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    oh, just a mention. if you fight the ufo this way, and it's gonna die, don't stand where I stood. it will fall and crush you
    – Eon
    Dec 6, 2013 at 12:43
  • The tactic you are using doesn't work anymore since yesterdays patch I think because the patchnote sais: Tweaked the UFO boss to make him smash blocks. (done)
    – Lyrion
    Dec 6, 2013 at 14:42
  • Strange. Check the timestamp of my pc, was done at 11pm last night. He did smash a bit of my roof, but he didn't smash bricks above him
    – Eon
    Dec 6, 2013 at 14:52

As link says, it's rare drop of Penguin UFO. However, I haven't get that yet.

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