As you go to the summoning stone to summon someone, you take a breath before you prepare and summon, channeling your energy through a grey energy sphere... before feeling a rush of dark energy, it being powerful enough to push you back a little... all the while the summoned beast appears...

"Lament, weep, despair! Wail, scream, tremble! The Demon King is risen! I am the master of death. Nothing is beyond me!"

Looking up you see the Demon King, Fomortiis in front of you... now what do you do?