Chapter talk.
Err... yeah, if it's not obvious enough, Fiona's a strong magician but is nerfed by abysmal physical strength and is clumsy on her feet. She be a glass cannon build.
Mangaka cut the match out and only showed the aftermath. It started with Graham telling Fiona to give him what she got and not hold back. She complied and when it started, he only had time to look around briefly to see himself surrounded by magic circles before he got KOed.
Jonas didn't just popped out of nowhere. He was always around as an NPC,lol.
At the end, Matthias squandered his wish and prayed for strength to withstand Fiona hugging his arm

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Also last chapter, the stuffed cat Fiona hugged was an easter egg from the cover of the novels. Cat plushie consistently makes a cameo in the novel cover