Tales of Berseria and Ni no Kuni 2 crossover.
I don't own the characters or series, so the credits of the two awesome games will go to Bandai Namco and Level-5.
WARNING of the SPOILERS or Tales of Berseria ending and bit of Zestiria
Time
Berseria: post-game events.
Ni no Kuni 2: around chapter 9-ish to post-game events... mostly chapter 8 to 9 onwards.
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Velvet wasn't aware of how the world was going after she left it. She only cared to be with her brother in endless dream while they were devouring each other. Maotelus was keeping watch over the two, while balancing the Malevolence that world was emitting. He knew that he couldn't keep himself from getting affected by it if it worsened.
One day, all chaos broke lose as the Empyrean's Throne Maotelus was staying at, got destroyed and him getting affected by malevolence.
He quickly escaped to the place where his old companion and her brother were absorbing each other.
But Everything weren't like before. The presence of the two sleeping siblings were slowly dying. 'They were leaving this world'. Maotelus was glad for them, but didn't want to be left alone. 'Don't leave me alone Velvet! Everyone else have died and you are the only one left in here!' he shouted in his mind, full knowing as Empyrean of Salvation, he couldn't leave this world that was full of malevolence.
"You don't need to be alone."
"Go with them... We will be fine... You deserve better than this."
He smiled from those words, a smile he haven't showed in long time, 'Thank you...All... Goodbye.'
So when the two siblings were silently vanishing, the now in his malak body, Maotelus went to them and let them take him with them... 'I... I want to be with you... This is my decicion. Not anyone else's...'
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Okay this might be complete crack or something actually worth it.
So Velvet Crowe, Laphicet Crowe and Laphicet (heck, she will have hard time with the two for only the pain of their names being same)
I will have Laphicet learn the artes that Phi used. Also would the two just perform artes together? Imagining all the plot bunnies might be my greed
Also writing all this on mobile so I am not absolutely sure how it looks in the site.
Usually I write long chapters but this is all I can give for now, wait for more to come (did you actually think I would end it here?)