Usually when you look up a fairly popular track on Soundcloud and find nothing but low quality versions and remixes that means the track gets taken down for copyright pretty frequently. So be warned.

Giratina Battle Theme

VS Magma Leader Maxie Aqua Leader Archie (Pokémon Omega Ruby & Alpha Sapphire OST)

Victory Road - Super Smash Bros. Brawl

Night Glow (Instrumental Club Mix) Vol1

Pokemon Omega Ruby And Alpha Sapphire Official Deoxys Battle Theme

Pokemon Black/White 2 - Neo Team Plasma Battle Theme

Pokemon Zinnia Battle Theme OST | Pokémon Rubis Omega Saphir Alpha by Pokeli

So obviously I didn't make this, but I can't find it anywhere on soundcloud, and people should really listen to this awesome sound, enjoy :)

Super Mario Galaxy 2 Soundtrac

Final Bowser Battle (Super Mario Galaxy 2)

Pokémon X and Y OST: Battle! Team Flare Boss Lysandre

Pokemon Black  White 2 OST Ghetsis Battle

Elite Four & Solgaleo/Lunala Medley - Super Smash Bros. Ultimate Soundtrack

Pokemon Omega Ruby And Alpha Sapphire Official Deoxys Battle Theme

Abhijith Gandrothu