HP Tournament Finals: Prism Thunder Spear vs Aqua Inferno Field | Marble Race Showdown | Arc 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: Nebula Homing Orb, Prism Thunder Spear, Prism Inferno Field, Aqua Inferno Field.
Grand final matchup: Prism Thunder Spear vs Aqua Inferno Field. Champion: Prism 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.