Mass Effect: Krogan Battlemaster

"The Krogan are a species of large reptilian bipeds native to Tuchanka, a world known for its harsh environment, scarce resources and over-abundance of vicious predators. Once hailed as the saviors of the galaxy for their successful destruction of a dangerously xenophobic and powerful spacefaring insectoid Race known as the rachni, the Krogan are now a shadow of their former prominence.
Flush with confidence following their defeat of the Rachni and the recognition of the Citadel races and their subsequent leniency towards the Krogans' obvious ambition for an empire of their own, the Krogan began colonizing worlds at a dangerous rate, eventually forcibly colonizing inhabited worlds and encroaching upon Citadel territories. Unwilling to curtail their activities and relinquish those worlds and territories belonging to other races, the Krogan rebelled against the Citadel council.
Initially, the Krogan had considerable success in action against the combined militaries of the Citadel races, however, in desperation, the Salarians concocted the Genophage, a biological weapon that would infect the Krogan on a genetic level and make only 1 in 1000 births viable. Once infected by the Turians with this weapon, the Krogan were unable to maintain their numbers and through attrition were eventually defeated. Because of the continuing effects of the Genophage, the Krogan are a dying species and are trapped in a downward spiral of meaningless violence. Some Krogan hire themselves out as mercenaries, assassins or muscle for various organized crime syndicates. Biotic individuals are rare, though those who do possess the talent are typically quite strong in their abilities and are referred to as Battlemasters"

More Mass Effect. This is a nice piece. Shaded version will be comming later!