Ancient Dolls are quite rare ... Now that you're equipped with the Far Away Stone, all that's left is to go get your sword! Take the stone to the Wizard's House near the Secret Woods and make ...

Once you have it, take the Ancient Doll to the mines all the way down to level 100. Interact with the lava here to sacrifice the doll to receive the Far Away Stone for the Meowmere Sword.

Turns out, the “creature” is actually an advanced animatronic training doll, used to help the Demon Slayers hone their sword skills. During the course of the episode, Tanjiro is challenged to ...