Monspeet & Derieri vs. Estarossa

Monspeet & Derieri vs. Estarossa is a battle fought between Monspeet, Derieri, and Estarossa of the Ten Commandments in a human village.

Prologue
As the Holy war is occuring, Derieri and Monspeet are resting in a human village. Derieri is resting on Monspeets lap and they converse about the ongoing war. Monspeet tells Derieri that Zeldris will likely deliver a punishment on them and the village for betraying the Demon clan. Derieri then tells Monspeet that she doesnt care about Zedlris adn aska what he wants to do. Monspeet tells her that he likes living with her and wouldnt mind living out the rest of theri lives as is. Derieri tehn tells him she is going to return her commandment to Zeldris. Monspeet looks on ain shock and asks why. Derieri beging to explain her lack of confidence and confusion between teh war and what is right and wrong. Monspeet happily tells her hes glad shes talking so much as she turned silent after her sisters death. Derieri responds by saying she has to becasue her sisster loved him and it wouldnt be fair not to, Monspeets tells her that he loves her but before he can finish hsi sentence, the human villager girl comes in warning them of the village attack.

Battle
As the human girl warns Monspeet adn Dereiri about the demons outside, she is killed in an instant by Estarossa, being burnt to a crisp. Derieri and Monspeet look on in shock and sadness. Derieri immediately charges Estarossa in angeer but is stopped by his Full Counter and blasted away. Monspeet then catches her and tells Estarosssa to not eat the human soul. Estarossa deiceds to anyway and Monspeet uses his Trick Star to swap the souls with an apple. Derieri lets the souls go and says her goodbye to it. Monspeet adn Estarossa continue to battle as Monspeet aevades Estarossas attacks but it caught when Derieri tried to join the fight. Estarossa begins to choke Monspeet in a headlock telling them he came for there commandments. Derieri tells Estarossa she was already going to give hers back and Monspeets tells her he was to so that eh can finally tell her his true feelings permitted by his commandemtns. Derieri and Monspeet blush at each other. Estarossa then tightens his lock and tells them they will both die and to fight like the elite warrriors they are till the end. He tells them he will take all the commandments for himself and even get rid of Zeldris and Meliodas, in order to achieve the greatest power.Monspeet then swaps places with him by using his Conjueres Joke technique. Monspeet beings to explain Estarossas past as he was a kids who couldnt use darkness but was pttties by the Demon King and given a commandemnt. He tells Estarossa he is a broken and mental man whos soul and mind is being eaten away by the commadnemnt, saying if he were to abosrb anymore he would self destroy and go insane. Estarossa tells him to shut up and lets out a Hellblaze, burning down the house and Derieri's clothes. Derieri tells Estarossa its uselss as Monspeet is the greatest weilder of Hellblaze in the Demon clan. Estarossa then passed out from thde headlock. Deireri then approcahes him asking Monseet what tehy should do with him, until Estarosssa blind sides Derieri chocking her Estarossa attempts to kill Derieri by peirceing her final heart but she is swapped with Monspeet as uses conjurers joke on them jsut in time.

Aftermath
Monspeet is impaled by starossa and has his final heart crushed. Derieri looks on in shock and sadness as Monspeet slowly dies. He tells her that he wont eb able to tell her his true feelings and blasta her far away as he engulfs both him and Estarossa in a huge Hellblaze. Derieri shouts his name in grief and sadness. A broken and vulnerable Derieri then ends up in the middle of the Holy War beside Elizabeth and the destroy forces.