You need a diamond pickaxe.

Then, you pour water over the lava.

So you're playing with the neighborhood kid again?

That's right.

You...

Don't you have friends your own age?

I-I do!?

There's Mash who used to live here, we're still good friends!

You mean the girl who ran away after you tied her up and forced to be with you...?

Let's go to the amusement park together, next time.

Ah! Don't feel pity for me!

It's a promise!