Just Can't Get Enough - Guild Edition

[Exclusively]

1-https://www.wowhead.com/achievement=5016/just-cant-get-enough-guild-edition

2-This achievement does not work, I have tried it in 10J and 25J eliminating 18 abominations  and it does not jump

3-necessary to complete https://www.wowhead.com/achievement=5015/guild-glory-of-the-lich-king-raider

4-Kingdom X5