HP Tournament Finals: Cosmo Missile Rain vs Cosmo Mirror Clone | Marble Race Showdown | Pulse Showdown Cut

English AI-generated marble race and physics simulation tournament video.
Format: 4 contenders, HP battle system, shrinking arena, and sudden-death pressure.
Featured contenders: Cosmo Radiant Laser, Cosmo Missile Rain, Cosmo Homing Orb, Cosmo Mirror Clone.
Grand final matchup: Cosmo Missile Rain vs Cosmo Mirror Clone. Champion: Cosmo Mirror Clone.
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.