Epic Marble Race: Echo Mine Scatter vs Cosmo Devour Core | AI Physics Battle | Frost Cup 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: Prism Radiant Laser, Echo Mine Scatter, Zenith Thunder Spear, Cosmo Devour Core.
Grand final matchup: Echo Mine Scatter vs Cosmo Devour Core. Champion: Cosmo 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.