King Clang disappeared while fighting

Bug Title: King Clang disappears mid-fight Description: After waiting 45~ mins for King Clang to spawn, I popped the shell and started fighting. After 20 seconds or so he disappeared. Did not kill him nor did I get quest completion - he simply disappeared. Steps to Reproduce: 1. Waited at Hot Sand for King Clang to spawn 2. Once I saw the chat notification that the shell appeared, I popped it 3. After about 15-20 seconds of hitting him, he disappeared completely, no kill nor quest complete. Expected Behavior: King Clang shouldn't disappear Actual Behavior: King Clang disappeared in the middle of attacking him. Screenshots or Videos (Optional): N/A - did not have OBS running so no shadowplay, sorry. Date/Time of Occurrence: Around 02:33-02:35 server time - unsure specifically. Additional Information: Was on channel 3 if that matters, was fighting Torties and Clangs for almost an hour before he spawned.