carcass map doesn't get elder influence

hi, like i show on pictures when i kill the boss on carcass map it doesn't get elder influence. I need help, what i am doing worng!!!

Before - Here I will kill boss in T14


After - Succes T14 gets Elder's influence. Now I going to kill T15' boss


Then - Here T15 does not get Elder's influence!!


Why is it happenig?? What am I doing wrong'?? :(