Issie was cheated on by rias and the other ladies in the orc as issie was felling more then hatred he wanted them killed by there hands and remembers how raynare betrayed him on his ever first date as issie recorded them as sent the videos to sirzechs and lord Micheal so after the cheaters get exposed issie suggested they should punish by dragon purge as sirzechs and azazel and lord Michael eyes widen

Preview

Rias:what's dragon purge ?

Sirzechs:when a dragon mate or mates betray the dragon that they punished by the dragon even that means death but if the dragon doesn't punish the mates it wants to the dragon won't at nothing doesn't matter what or who is in they way the dragon will do whatever to punish its mates

Issie:that's right since all of betrayed me I want revenge

Akeno:please issie we're sorry that we betrayed you

Issie:I don't want to hear no more of your lies hybrid I want my revenge I want all of there states removed rias can't be the heir of the gremory family,Asia and xenovia can't pray to god no more if they try to the pain is worse for them,akeno stays as a fallen angel and be hated by her kind including her father,irina make her a fallen angel and also can't pray either,for koneko let her be a stray like her sister and Finally exposed them to what they done

As the girls are shocked at issie demands

Issie:if my demands aren't fulfilled and accepted I start hunting them and kill men they slept with as they watch they die before joining them you got till tomorrow to accept my demands I suggest you accepted them

Issie magically teleports back home