Pavo was no scholar, no disciple of knowledge who would disregard danger and his own well-being in favour of new discoveries and ill-begotten "learning opportunities". He was not a Gryffindor, an aspiring hero with his own safety and security secondary to... everything, really. He was not Lula. He was not his grandfather.
What shrewdness he had was just enough to get away with skinned knuckles where others might forfeit an arm... only to then lose his head over the next real or imagined affront to his self-esteem.
Somehow, he suspected Ashcroft wouldn't stop at a limb if the fancy took her.
He swallowed his protests, his resentment, his... not fear as he followed the professor to the centre of the arena. His stride, his face almost as resolute as the grip on his wand.
He liked to think he knew what he was doing. But now, suddenly wondering with more than a tinge of perplexity just how practiced the DADA teacher was in real dark magic, his own desire for more experience seemed both more pressing and more unfulfilled than ever. His sister's fascinations, his uncle's books, his own obsessive research... all amounted to an impressive, but ultimately theoretical, library of the unsanctioned. Applying it on snivelling First Years, subservient cronies, clumsy Hufflepuffs... it was sport. A breeze.
In a duel, on equal standing, against someone possibly less bothered with people's opinions and goodwill than even he was...
She called it practice. But not for the first time, he couldn't tell if she actually meant to educate, or if she'd purposely missed out "target".