Siren (with challenge) vs Scientist! on ST Blockade (Boss Fight #60)

i still don't like this series 0:00 1st fight 1:36 2nd fight 2:50 3rd fight 3:57 4th fight 5:02 5th fight 6:03 6th fight 7:32 7th fight 8:48 8th fight 9:55 final fight 11:28 plink music used is in this playlist :    • Limbus Company OST - Abnormality Choice