Cinnabarite.

In other words, mercury sulfide.

We can also use it as a catalyst.

It's super toxic.

Stop...

What am I doing...?

By doing something like this, what could I hope to achieve?

And this one I've made my own adjustments to.

Those vengeful spirits that sprang up before condensed into this metal, right?

That was special stuff made of Former Hell's cinnabarite, too.