conjure demonic empire

conjure a massive portal that leads to the darkest depths of the felworld were even the most terrifying demons would never go the demons inside rival gods themselves and serve your every command. summons three demon lords that deal 4d100 each turn and only leave when you tell them to or the battle ends or you die. if you are distracted or hurt during the ritual the ritual ends and you have to start over. after the ritual you will be unconscious roll a d20 and the DM tells how long you remain that way. any enemy will not attack the lords.