Talk:Valkyr (Warframe)/@comment-172.243.151.94-20150928180352/@comment-3336377-20150928180943

Not yet, no. But it will after U17.5. (Confirmed on Devstream 60)

For now, existing Berserker procs will remain active after casting Hysteria, you just can't proc any more until its deactivated.

Hysteria's cast speed is affected by Natural Talent, yes.