Welcome to Librarium Online!
do mindshackle scarabs work on fearless units ?
Yes, as long as the unit doesn't have a specific rule that lets them pass all leadership tests.
which is what fearless does
I've recently become a fan of this thing called Dubstep. And you should too.
Datsik & Flux Pavillion - Crunch (Youtube)
Da Moo Kowz is da drinkinest Orks of dem all!