I think I know why people are scared of Senna and crying nerfs, and it's in her passive
I just discovered something toying around which may be a bug, or may be a reflection of how Senna's Stacks works:
I was playing around with Lethality items on Senna.
The new Sanguine Blade, Youmuu's, and Duskblade.
What's interesting:
= 478 AD
I was wondering how this is possible. RFC is not an AD item, and the others are not THAT high of AD. I did have Transcendence.
However..... just for giggles, because I saw that "set bonus" for Weapons of Draktharr, I sold , and bought 
#Result? I suddenly had 587 AD!
Ionian Boots had CDR built in, so the Transcendence bonus should be the same. However..... I gained 109 AD
I learned later that it wasn't the Lethality, as much as a problem with her passive:
My Theory? Her AD is double buffing into her Base AD, buffing once by the base 1 AD, but again in calculations of the flat damage.. Kind of like how Jhin used to have circular Crit math.
This needs hotfixed BAD.
Here's some images of level 1 Senna with these items, and on the right, her AD (more or less because it fluctuates for some reason every time she grabs a ghoul)
[img]https://i.imgur.com/Z8Qne6n.png[/img]
(If you take away the RFC and put in an Essence Reaver, the AD spikes to 677!)
Something is amplifying AD in her base Kit.
#And the difference is LARGE. The difference between the same items on 0 to 120 Stacks is about 400 Crit damage per hit! (With 6 items and 0 stacks, 620 crits. 120 Stacks = 1083 crits)
