HP Tournament Finals: Echo Missile Rain vs Prism Storm Beacon | Marble Race Showdown | Storm Rumble Play

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 Homing Orb, Echo Missile Rain, Prism Storm Beacon, Nebula Storm Beacon.
Grand final matchup: Echo Missile Rain vs Prism Storm Beacon. Champion: Prism Storm Beacon.
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.