Music by Kevin MacLeod. Available under the Creative Commons Attribution 3.0 Unported license. Download link: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100640

MacLeod's description:

Genre: Unclassifiable
Length: 2:56
Instruments: percussion, guitar, synths
Tempo: 92

Grooves for a bit, then changes up pretty hard with giant percussion.
ISRC: US-UAN-11-00640
Aggressive, Eerie, Intense, Mysterious, Unnerving 2009