HP Tournament Finals: Lunar Inferno Field vs Aurora Missile Rain | Marble Race Showdown | Comet Showdown Stage

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 Inferno Field, Cosmo Prism Nova, Aurora Missile Rain, Aurora Mine Scatter.
Grand final matchup: Lunar Inferno Field vs Aurora Missile Rain. Champion: Aurora Missile Rain.
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.