 Dorcas formed an alliance with the Atlantean Warlord Krang.Krang provided his follower Orka as a test subject, and Dorcas endowed Orka with the powers of a killer whale.Warlord Krang and Dorcas used Orka and a fleet of killer whales to attack Atlantis, but were thwarted by Namor and interference by Tiger Shark.