The troll was the least of it, in retrospect and that was a Troll. A class XXXX creature, not to be approached by any untrained wix, and it barely rated a footnote in the summary of the physical threats that they'd run the risk of encountering while at Hogwarts. All well and good, at the time - what eleven year old didn't think themselves immortal? and they'd had such reason to think so too, with all the close calls they'd come through unscathed, until Diggory, and the war that had slowly unfolded in the wake - but appreciations changed when it was children of their own approaching the age that they'd first set off to the icy north, and unthinking plans too.