User blog comment:LilyheartsLightning/Citadel and Reckoning DLC announced/@comment-24174486-20130223235608/@comment-2219564-20130224134327

Possibly something Wrex-related?

Maybe he'll get the krogan charge as a "power" of his own, which can then be taught to Shepard! Then Shepard can really "fight like a krogan"! >:P