Epic Marble Race: Nova Radiant Laser vs Aurora Blade Cyclone | AI Physics Battle | Arc Collision 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: Echo Homing Orb, Nova Radiant Laser, Zenith Homing Orb, Aurora Blade Cyclone.
Grand final matchup: Nova Radiant Laser vs Aurora Blade Cyclone. Champion: Nova Radiant Laser.
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.