Full name of this OST is [Nightcore] Cosmic Destroyer - ēlDLIVE OST and all credit to making this epic ost goes to Keel, link to his channel here: https://www.youtube.com/channel/UCq3jBuqYT1K6Sz4zDAp4xaQ.
Only thing I did was make it longer, he's the real artist here.
