Who Wins This Physics Simulation? Echo Mirror Clone vs Echo Radiant Laser | Marble Tournament | Rift League 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: Echo Mirror Clone, Lunar Mine Scatter, Echo Radiant Laser, Echo Blade Cyclone.
Grand final matchup: Echo Mirror Clone vs Echo Radiant Laser. Champion: Echo 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.