Was playing some fiora and noticed something was wrong. I then remembered that tiamat gives attacks a aoe. The passive is bugged, and did not activate. It was not just a visual bug, the minions did not get hurt around it. Hydra still works though.
TheLastShadow451 voteshttp://na.leagueoflegends.com/en/news/game-updates/patch/patch-522-notes#patch-Tiamat keep up with the patches and you will know that this is not a bug.
LilMissyMeh1 votesOn the item, it still shows that the passive is there, the writing was still there that it has cleave...
TheLastShadow451 votesNo, it only shows the active.
Freakdog1 votesIts not a passive anymore it's only the active for Tiamat. It says its an active for the item.