Epic Marble Race: Lunar Devour Core vs Aqua Storm Beacon | AI Physics Battle | Echo Derby 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: Lunar Devour Core, Volt Storm Beacon, Volt Meteor Skew, Aqua Storm Beacon.
Grand final matchup: Lunar Devour Core vs Aqua Storm Beacon. Champion: Lunar 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.