As she paused to consider her next words, a sharp rumbling came from beneath the stadium, almost like a minor, localized earthquake.  This was enough to get a reaction from the headmistress, not quite fear but desperation.  "No," she called, the microphone only partially picking up her words.  "Not now.  Not yet...We need more-"<br/><br/>Various fissure points suddenly burst from beneath, flaying up astroturf to reveal swarms of four-legged insectoid creatures the size of coconuts, each sporting a pair of huge crablike claws even larger than the rest of its body.  They swarmed out towards the human populace to make room for giant tentacles, barbed and slimy, reaching out towards the crowd on instinct.<br/><br/>The screams were so fast that many came purely on instinct, but the mere shriek of terror wasn't enough to save the helpless students whose vibrant noise only painted themselves as targets for the pseudopods.  Multiple students were impaled, their bodies collapsing into ash moments after impact, occasionally leaving a splash of blood across the bleachers.<br/><br/>A few of the people attempted to react, move, something, anything that they could do to help or even save themselves.  Glowing weapons manifested in a number of hands as they fought to save themselves.<br/><br/>From the direction of the woods came venomous howls, vicious shrieks as something, many somethings, were coming closer to join the party.<br/><br/>"Get to the dorms," Joanna Knight yelled to the school, her voice somehow amplified to be heard over the cacophany.  The noise brought a number of the crawling fields, but she suddenly had a flaming blade to help fend off the monsters.  "If you can't, get inside somewhere until the waves of-"<br/><br/>She then froze, staring off towards one of the goalposts and the darkness behind one of the entryways.  From deep within came the thunderous repetition of...applause?