Grand Summoning(s)

You stare up at the shaking wooden trapdoor, it's quite literally the last day of summer, the season where wild monsters run amok in a frenzy, and you certainly would never have imagined your city would be attacked on the very last day by a horde of monsters "..." You hear screams and shouts above the trapdoor as a thick, blood-splashed, aged, grey leather book titled; 'The One Way to Summon with Mana', crashes through the trapdoor, sending dreadoak splinters and dust flying everywhere