Kennen's W, Fourth Auto Attack Should Not Insta-proc Thunderlord's Keystone Mastery.

When Kennen stacks up her auto attacks and has the fourth charge ready, it adds her lightning passive to the auto. But, why does it instantly proc thunderlord's upon her auto attack? It should, at most, count as two stacks of thunderlords, as two sets of damage are being represented in the auto, her basic attack and her passive damage. It should not instantly set off all three stacks of thunderlords and chunk you for nearly 180 damage at level one. One single auto attack should not be allowed to proc thunderlord's in this manner. Think of other champions with additional on hit stacks, that do not proc thunderlords. Udyr tiger stance does not proc it, Garen Q does not proc it, Darius W does not proc it, Evelyn Q does not proc it. The list goes on, why should kennen, an already strong anti-melee top laner, have such a strong level one advantage over her opponents? Please fix this soon!

Thanks,

Wolfenmanjenson