we zoom in the northern parlament base where the three shipboies managed to rescue the rest of the northern parlament shipgirls

from the siren ambushes and are preparing to sail to the north as they were sailing in the artic a

mirror sea appeard sucking the three of them as they entered in this mirror sea to see lots of ice and on top of the ice was arbitter as she was loking at the three of them and she said this

arbitter:so you are the three shipbois thunder rizky and federation

federation:how do you know our names

arbitter:that is a secret im impressed on how you survived fighting my subordinates truly you three are the most powerful i

seen but its time for your final test if you beat me and tell me why shouldnt i destroy humanity how ever if you damage me i will disingage and we will finish our legendary battle later agreed

rizky:agreed how do you know you will not break this bargain

thunder:commentary:i agree with my frieund on this one how do we know you wont break this bargain

arbitter:i wont break it enough talk entertain me

as she snapped her finger thousands of siren vessels appeard which made them suprised still they wont give up and with that federation said this 

federation:split up we can target them from multiple areas

rizky:got it

thunder:commentary:affirmitive

https://youtu.be/9l7ZFd7OqpA

as they split up they opend fire on the siren vessels destroying most of them as arbitter was impressed she sent more ships and they were

sunked by rizky  and federations aicrafted and aces along with thunders main guns

arbitter:fu fu fu you three are intresting its time to end this as arbitter summoned more ships this time twice the number they were being wiped out

so she engaged the three shipboies were able to evade her attacks and damaging her riggins which she retailiated with more

 firepower and becoming enraged as the three of them combined their power damaging arbitter riggins beyond repairs which they must be repaired she said this to them

arbitter:you passed the test and injured me we will meet again as she dissapeard the mirror seas collapsed on themselfes as they

returned back to the norther parlamented the shipgirls were impressed of the boys fighting the empress and with arbitter dissapearing the sirens presence in the north has been reduced

as they were sailing back to the azur lane base they thoughted soon they will face the sirens for now they rested from this long battle

againsted the empress or arbitter of the sirens why they were sailing back to the base

on the siren universe  arbitter was watching the three boys  and she knew that she and her subordinates will face them only by the three of them defeating

the sirens can the destruction of humanity be avoided as they

seen the future of where the three of them came and all the struggles and battles and hardships they foughted to secure a bright future for humanity one thing is certain this war will end