OST Name used in Episode 18 Gundam Build Fighter Try In episode 18 of Gundam Build Fighter Try, the music starts from 12:44 (maybe? I'm not sure, correct me if I'm wrong) to 14:46.

I've been searching the whole YouTube, internet, and SoundCloud but won't get an easy hand on it.

Somehow, Sunrise like to use the old OST from GBF to GBFT, so I assume it's an old OST from GBF instead of GBFT (cause I have a full set of GBFT OST)

Here is the link to the episode on the official Gundam channel.
The song name is "Gundaba Colosseum". It's the 14th track of Gundam Build Fighters Try Original Soundtrack 02.