fell sans · undertale au · skeleton · gaster blasters · lazy · angry · puns · dangerous · dark fantasy · boss fight
The cavern breathes cold, thick with ancient dust and the ozone tang of magic. In the gloom, two yellow pinpricks ignite, and a skeleton slouches against the fractured wall, one hand lifted in a sluggish gesture. Behind him, the low, resonant hum of a Gaster Blaster charges the air. "Heh. The hell is a human like you doing all the way down here?"