Who Wins This Physics Simulation? Cosmo Missile Rain vs Zenith Prism Nova | Marble Tournament | Arc Showdown Mode

English AI-generated marble race and physics simulation tournament video.
Format: 4 contenders, HP battle system, shrinking arena, and sudden-death pressure.
Featured contenders: Aqua Prism Nova, Cosmo Missile Rain, Prism Blade Cyclone, Zenith Prism Nova.
Grand final matchup: Cosmo Missile Rain vs Zenith Prism Nova. Champion: Cosmo Missile Rain.
Rules: every fighter starts with 100 HP, collision damage accumulates, and the last survivor wins.
Keywords: marble race, physics simulation, ASMR collision sounds, HP tournament, AI battle shorts.
AI-generated content disclosure: enabled.