https://youtu.be/t9nocjg2OLI

this music will play when you enter ruined west arcade

cassie hear something in the distance 

she look foward 

(this art is not my)

it ruin dj music man

cassie being chase by ruined dj music man

there a pit in the middle of room tunnels

cassie stop herself from felling into endless pit

cassie turn around and see dj music man is charge at her

Cassie dodge him 

dj music man fall into a Bottomless pit to his death

cassie was relief that she was still alive

(btw i  don't which music to put on ruined dj music man boss fight theme, but you can pick which one)

https://youtu.be/aq5pY5H5wQ8

1.

https://youtu.be/SEKfMVCpUfo

2.

https://youtu.be/Kzj_x53u37E

3.