Awesomium

So, what Awesomium and Loserumin's Feruchemical and Hemalurgic powers? I'm scared of the possibility of Twinborn Derps running around with Loserumin spikes. D;

They're fairly bland, afawk. Feruchemical Aweomium stores awesomeness (you become a derp when storing, and a dude when tapping), and Awesomium spikes steal the power to use the two metals Allomanticaly. Loserumin's spikes probably steal the power to use the two metals Feruchemically, but we have to wait for the next book for that to be confirmed, along with the Feruchemical ability of Loserumin. (This is all according to Will btw, he thinks he knows everything, but keeps forgetting that there's always another secret)