Aqua Sentry Totem vs Aurora Inferno Field | Marble Race Physics Simulation Tournament | Echo Clash 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: Aqua Sentry Totem, Cosmo Inferno Field, Aurora Inferno Field, Nebula Twin Oblivion.
Grand final matchup: Aqua Sentry Totem vs Aurora Inferno Field. Champion: Aqua Sentry Totem.
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.