【Ending Time Octet】Phase 5 OST-019 Collapsed Determination

Phase 5 starts, ULB, UKB, ainavolAGEM and Betrayer fused to become Kyuuseishu.
The battle is halfway throught, the collapsing of time and space becomes more intense, Satsujinki, Kyuuseishu’s physical strength are completely drained (But does not enter next phase). Right after sans.exe, UTL (Phase 1), UFP (Phase 4), After Hypocrisy sans (Phase 1), Legend of Crystal (Phase 2), Ruintale (Phase 2), Undertale: Rejuventation (Chapter 4), ULS (Phase 1) (AU Full name below) joins the battle as supports.

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