Epic Marble Race: Nova Thunder Spear vs Nova Storm Beacon | AI Physics Battle | Comet Cup Session

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 Radiant Laser, Nova Thunder Spear, Nova Storm Beacon, Lunar Blade Cyclone.
Grand final matchup: Nova Thunder Spear vs Nova Storm Beacon. Champion: Nova Thunder Spear.
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.