‘To the victor goes the spoils’ it is said but what if those spoils are not what they seem. What if those items of victory, are deadly.
Why did you buy all those Iron Spikes?
What’s this round thing on the wall…
A floating sphere of rusted iron spikes, no good can come of this.
Yet another use for the ubiquitous Iron Spike.
"Didja see the way way I nailed that, Marty?" "Thunderingly effective!"
Capable of delivering up to 20 iron spikes per minute at nearly the velocity of an arrow, the Iron Spike Launcher-9000 is the front line weapon of his most elite clock-work soldiers.
Kazarad the lich watched his minons strip the slain adventurers of their gear, and he being the meticulous type, the gear was sorted into piles. One of larger piles was a heap of iron spikes. "Why do they all carry those damn things? What am _I_ supposed to with all of those? "
Then a moment of inspiration stuck him…..
A casual remark by one of the party about something met on a previous adventure leads to a summons to and grilling by the Mages' Guild (or equivalent), probably resulting in an expedition back to that area to recover the things for 'study' by the Guild. The party's presence will be 'requested' for this expedition.