MOTHER 3 - Unused Creepy Ambience (THEORY IN THE DESCRIPTION)

So this is an unused ambience track found inside the game files and supossed to be played on loop. It's unknown where it belongs to, but I have a THEORY:
It's the grunts of the Dragon sleeping under the Earth!!!! (probably played at the very end of the game before you reach Claus, meaning the dragon's awakening is near...?)
🐉💥🌏‼️

[@rubenweeks1197]

speed it up and see what you get

[@dorememe8548]

Sounds like a Pokémon.

[@Zellphie]

Mother 2* Final Boss SFX (Gigyas)?