Kayle E + Hunter's Talisman [GAMEPLAY]
Pre- Patch 7.9, Kayle's E proc'd the passive of Hunter's Talisman, making jungling a bearable (and viable) thing to do. Unforunately, come 7.9, the area of effect portion of Kayle's E no longer activates Hunter's Talisman Tooth passive. This was not mentioned in the 7.9 bugfixes as being a bug, so I must assume it was intended to active the passive.
As for frequency, it occurs with every game, and every auto-attack. I cannot obtain a replay of the original function due to the replay system removing replays each patch. But any game can display the current status of her E with Tooth