Savageclaw is a rare prime level 42 mob. He can be found in Malgrave next to other canimids. Savageclaw has some strong telegraph abilities but can be easily dodged and kited. You must look out for his undermine ability has it does hit very hard and can turn around the encounter very quickly.
Savageclaw can be found in the plains (882,3873) between The Protostar Marketing Camp and the Foulflesh Village.