Randomly throughout the fight, the battle box itself may glitch, stretch, or shrink mid-attack. White noise can temporarily obscure your vision, forcing you to rely on muscle memory and rhythm rather than pure sight. 2. Corrupted Gaster Blasters

The fight features a constantly shifting, glitching, and broken aesthetic, echoing the VHS tape distortion theme.

Sans, a character defined by his awareness of the meta-narrative, fits perfectly into this broken medium. When the screen tears and his left eye flashes blue through a haze of static, it feels like he is looking directly at the player, through the screen, through the years, and through the nostalgia.