Who Wins This Physics Simulation? Volt Devour Core vs Cosmo Missile Rain | Marble Tournament | Comet Cup Moment

English AI-generated marble race and physics simulation tournament video.
Format: 4 contenders, HP battle system, shrinking arena, and sudden-death pressure.
Featured contenders: Volt Sentry Totem, Volt Devour Core, Nova Missile Rain, Cosmo Missile Rain.
Grand final matchup: Volt Devour Core vs Cosmo Missile Rain. Champion: Volt Devour Core.
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.