Binah, the former final boss, has such a final boss theme

pov: you said to binah that tea sucks (good luck since the beast is angry now)

the sound of rolling minimum on all dice and getting deleted

How I look at my opponent's Infinite Speed Dice (I have a lamp in my pocket)

ruina

Song provided by projectmoon
Source used: https://youtu.be/u3Jylwpj8Ow

Binah battle 1, 2, 3 (updated)

Conductor

kill argalia with this new theme online

art by: Lawrika (pixiv id 6805159)
not mine

Provided by Projectmoon
Source: https://youtu.be/F2otr7kCgho (33:03 - 35:01)

wow such beauty (with le finger snaps)

original YT upload: https://youtu.be/I3XufStjlEc

Originally from Library of Ruina

Not by me. Provided by project moon. From the game Library of Ruina.

Didn't think the boss music could get any better, fortunately, I've been proven wrong.
Timestamps:
00:00 = Phase 1
01:31 = Phase 2
03:04 = Phase 3

Song provided by projectmoon.
Youtube source: https://youtu.be/bb5njE5QD3E