3rd pov
We can see the school is been surrounded by a barrier created by the sc club and were supply it with energy as kokbiel said he was going to kill the two heiress to restart the great 3 way war and the two heiress decided to fight him with there peerage and rimuru as they didn't want to call there siblings here with how busy they are but the main reason was there siblings were sis-cons
"I still think this is a bad Idea..the best course of action is to contact your sister" tsubaki said
"I believe this is ok with rimuru here I believe we can defeat him"sona said having full faith in rimuru
"Am going in the barrier I leave you in charge tsubaki"sona said and entered the barrier
Rimuru PoV
Here we all are except kiba going to fight kokbiel and his summoned 3 beasts
"I really want to see that red haired maou when he sees his sister dead"kokbiel said sitting on his throne like a king but his aura was anything but a kingly aura and ordered his beasts to attack us
I took out my sword that sona gave me as a gift for my birthday and rushed to one of the beast he swing his left hand but I cut it off.the beast backed up in pain but I continued my assault and summoned a basketball seized P.O.D which disintegrate to ash 'something is missing from this power but I don't know what is it'
(Ak hinata's disintegration)
3rd POV
Rimuru looked at rias and akeno they were struggling with one beast he was about to help them but saw koneko about to get eating as he was about to help her kiba and xenovia rushed in and attacked the beast together.
Seeing as koneko didn't needed help he wanted to help rias but sona was already helping her.So he turned to kokbiel
"Are you just going to sit there like the coward you are or are you going to fight?"rimuru said
"Oh aren't being cocky..just because you defeated one of my summons easily do you thing you can fight me?..why don't you entertain me while I wait for the Excalibur sword"kokbiel said and summoned a spear with much more destruction power than the low rank fallen ones and sent it to rimuru but rimuru immediately dodged it as it hit the ground creating a crater. 'I should probably avoid that'rimuru thought as he summoned hundred for sword made of ice and sent it to kokbiel
(I was looking for this word(crater) for like 20 minutes in google)
Back to rias and sona they made a quick work of there beast with the help of issei boosting them. On the other side kiba and xenovia also won as xenovia summoned durandal.
The all noticed the high amount of holy energy concentrated near the gym area so the made there way there and saw Valper Galilei merging all the Excaliburs together and made a new one
"Finally it's done"kokbiel said as he dodge a light spear mixed with P.O.D from rimuru.
"Now freed use that to kill them I will keep this monster busy"kokbiel said as he made a light sword and clashed with rimuru
"Now~devils let's dance~"Freed said as he took exculiber and clashed with xenovia and the others while kiba went straight to Valper.
Valper used holy magic while kiba used his sacred gear <sword birth>.
"I remember you now .you we're part of the project ..your name is Isaiah right?"Valper said as he stoped his assault
